To find the value of a 12 + a 13 - a 22, Frist find the value of a12, a12=  element in frist row and second column = 1  Similarly a13 =  element in frist row and third column = 2 Find a22 and  Find the .....

We have to prove,  1 / 2 [ cos2Y - cos8Y] = sin5Y .sin3Y For this take LHS and use formula,  CosC - CosD = 2Sin[(C+D)/2]Sin[(D-C)/2] where put C = 2Y  and  D =  8Y. LHS = 1 / 2 [ cos2Y - cos8Y]     .....

Let me know if you want to know more about .....

Prepositions give information about direction or movement: Anjana went past a temple. A train went through a tunnel. A fox ran .....

We ave to add: 3a2 - 4ab - 2b2 and 7ab - 4a2 + 6b2 To add algebric expression, we have to arrange like terms at frist, i.e;  (3a2 - 4ab - 2b2 ) + (7ab - 4a2 + 6b2) = 3a2 - 4ab - 2b2 + 7ab - 4a2 + 6b2 =3a2 - 4a2 - 4ab .....

Time taken by earth to complete one rotation in fact its not exactly .....

Prepositions give us information about place/position. A lizard is on the wall. Ankit is standing by the road. Sita sits .....

I think something is missing here,there should be no.of terms is given. Please check your .....

There are a number of factors that determine how warm you feel. Natural body temperatures vary, and a couple of degrees can make a significant difference. Ironically, someone with a naturally higher body temperature will feel cooler, because their .....

As the blanket gets older, the cotton molecules become hard and are closely packed. Now, only less amount of air molecules will be trapped inside. It can't prevent heat loss from our body and block the cold as well. Thus, old blanket make us .....

You eat differents kinds of food as lunch or dinner. In lunch, you eat curry and daal with rice. Curry includes potato, tomato, couliflower, cabbage, brinjal etc. These are called vegetables. You can see more vegetables in the picture .....

The sum of kinetic energy and potential energy is always constant. It means if some amount of kinetic energy disappers, it will be transformed into potential energy and vice-versa.   If the kinetic energy becomes maximum, potential energy .....

We know that potential energy is the energy that is stored within an object while kinetic energy is the energy that is in motion. The connection between the two is that potential energy transforms into kinetic energy. This can be seen in an .....

We have given amount A = Rs.3250 Time  T = 6 years Rate   R = 5% And Principal   P = ? Let, P amounts Rs 3250 in 6 years at the rate of 5% per annum. We know,  A = P { 1 + TR / 100} or, Rs 3250 = P { 1 .....

We have given, A shopkeeper loses Rs. 500 due to 25% discount in an article. And he gains Rs.500 without any discount, We need to calculate the marked price of the article. For this let MP = x,  then SP = MP - D% of MP     .....

Any of various cells that in adult mammals are produced in bone marrow, have a nucleus but no hemoglobin,  and .....

Have you ever visited the place shown in the .....

We have to find the sum of int.angles in octagon, As we know in octagon,  no.of sides =  n = 8 We have formula,  sum of angles =  ( n - 2) X 180o Now put n = 8  and find the answer. For ext.angle,  Use formula , .....

The relation between CP, SP and Profit is  SP = CP + Profit or Profit = SP - CP  The profit equation is used to determine a company's profitability and can be described in its simplest form as Profit = Sales minus Costs. The simple .....

See the above picture. Tie a ball at the end of a thread and swing it. There is a to and fro motion. That motion is known as oscillatory .....

Hello, Gouri! Would you like to know the National Current affair only or International affair as well? Could you please be a bit specific? Please, let me .....

Importance of federal and regional administrative system in Nepal are as follows: - Federalism increases the competition between the states and thus leads to development. - All the available means and resources of a state is utilized properly by .....

Look at the following picture. You can see three postures here.  The second posture is the correct posture while standing. So, the rules of correct posture are: Your head should be facing straight ahead. Keep your body straight with .....

 GDP per capita is .....

Could you please be a bit specific to your query? Would you please mention the specific name of the country with Australia had matched .....

Yes, the word 'one' begins with a sound "w".  Therefore the indefinite article must be .....

On the other hand, irregular verbs are a verb that does not follow the rules of regular verbs.  Some do not change. (e.g. put – put – put) Some changes their vowels. (e.g. sit – sat-sat) Some changes completely  (e.g. .....

Let,  AB = x be the height of pole. From ∆BCD  find BC,   tan30°=CDBC Then use ∆ABC,   tan60°=ABBC Calculate .....

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Sin60 = BC / CD or, √3 / 2 = x / [ 12 - x ] Now do cross-multiplication and find .....

To find largest value, we need smallest value also, then use formula Coefficient of range =  [ L- S] / [ L + S ] and find .....

An artificial greenhouse is a man-made greenhouse. It is a house made of glass or plastic on a metallic frame. It is mainly used to grow offseason plants. In the artificial greenhouse, the glass and plastic allow the only short wave to pass but .....

Let us take examples of phototrophic organisms exhibiting phototaxis are the phytoflaggellates, e.g. Euglena, and photosynthetic bacteria. A negative phototaxisis one in which the organism moves away from the light source as .....

Hello Ritesh you might have experience that if you show good behaviour and obey your teachers, parents elders and respects youngers  than everyone will take you as a good person. Everyone will love you and take care about you. If if you show .....

After carefully writing an equation, making certain the formulas are correct, and seeing that it is balanced, what does it tell you?   A chemical equation will tell you the formulas and symbols of the reactants and products.   A .....

We all know that the size of the atom of an element decreases across a period due to the increase in Ionisation potential and effective nuclear charge (not nuclear charge). Now the trend continues till halogens. The noble gases have completely .....

Cleated shoes provide traction against the playing surface, allowing the athletes to keep their footing. Without cleats, players would literally slip and fall all over the field. When field conditions become especially poor, you'll often see .....

As you all know that smoke is made up of tiny particles of ash and tiny drops of water. Ash is the non-burnable material found in a tree’s cells, while water is found in any type of wood. The hot air rising from the fire carries these minute .....

यहाँ, दिइएको छ ब्याजदर (R) = 10 % समय (T) = 1 yr मानौँ, मुलधन P छ । प्रश्नअनुसार, C.I (अर्ध वार्षिक) – C.I (वार्षिक) .....

Did this answer help you? Please let us know if we could help you in any other way. Please feel free to ask if you do not .....

If you live in a cold climate with frequent snowfalls, then you have probably seen people spreading pure salt on sidewalks to melt the snow. This practice has become quite common and you might wonder how the salt is able to melt ice and snow. Why .....

There's a lot going on when you strike a match. A match head is made of a number of ingredients, including potassium chlorate, sulfur and powdered glass. The striking surface is made up of sand, powdered glass and red phosphorus. When the .....

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Its not pajama plant, it is pajama .....

As metioned above, the atmosphere of mercury do not contain carbon dioxide gas. And the gas present in the atmosphere of Mercury can absorb very less heat. So, more heat is left to be absorbed. You know, when we turn on the light in front of a .....

- निरन्तर लेख्ने बानीको निर्माण गर्ने  - पढेको कुरा लेख्ने  -  प्रसस्त अनुलेखन अभ्यास .....

Rajnish, if you want to know more about it, please let me .....

He is renowned as Mahaguru (the great teacher), especially among the Limbus.  His one message is not to practice animal sacrifice. His further messages are similarly: eliminate social orthodoxies,  run school for children, give .....

The Kali Gandaki Gorge in Nepal is the deepest gorge in the .....

To solve for x, we need to put x in one side and numbere in another sides, So,   1/x + 2 + 1/x + 3 = 1/10 or,  1/x + 1/x= 1/10 - 2 - 3 , while changing he sides it chang sign. or, 1/x + 1/x= 1/10 - 5 Now take LCM and .....