It is used to cut, split or pierce a body. Axe, knife , needle, khukuri etc. are the examples of .....

बसन्त कोकिल कविताका लेखक लेखनाथ पौड्याल हुन् .....

Now you can easily get the .....

Here   4x2 - y2 +2y - 1=4x2 - (y2 -2y +1) =(2x)2-(y-1)2 Now use .....

Here, m3 +1 +2m2 +2m=m3 +13 +2m(m +1)                             =(m+1)(m2-m+1)+2m(m +1)                  .....

y3 + 1 +2y2 + 2y=y3 + 13 +2y2 + 2y                       =(y+ 1)(y2-y+1) +2y(y + 1)                      .....

Here, To factorise this just take common, i.e;  x2y + 2xy - 3x - 6 =xy(x+2)-3(x+2)                                        .....

After you expand this term, you get: x2 - 1 + y2 - 2xy =  x2 + y2 - 2xy - 1 = ( x - y)2 - 1 Which is in the form of a2 - .....

This is very useful principle in our daily life. It depends on upon the; Volume of the body submerged in the liquid or volume of the liquid displaced Density of the liquid Acceleration due to .....

Therefore, h + 2s = d 2s + 2s = d s = d / 4    = 0.25 .....

Please send a question at a time. 1) x2-1+y(y-2x)= x2-1+y2-2xy                           =[ x2-2xy+y2]-1                  .....

To factorize it we have to take common and then use formula i.e; x3-x2-x+1=x2(x-1)-1(x-1)                      =(x-1)(x2-1)                  .....

सर्वप्रथम पठाउने व्यक्तिको ठेगाना ,त्यसको मुनि मिति लेख्ने , मिति लेखेको दुई पङ्क्ति तल .....

मानौ तपाईँ चिठीमा परदेश नै बस्ने  निर्णय गरेको कुनै भाई को दाजु हुनुहुन्छ ।   भाइले .....

To find LCM, we have to factorise them So, 1st expression=x3-1                           =x3-13                      .....

Read Speak Write Use online resources Learn and revise .....

Toulene is converted into benzoic acid  by oxidising agent and the benzoic acid so formed is treated with soda lime (NaOH + CaO) to get benzene. This reaction is called decarboxylation reaction. Ph-CH3 + KMnO4----------> Ph-COOH toulene .....

To solve these types of question, we can use mid term factoraization method. Here, find two numbers, those which gives 3x20=60, while multiplying and  adding or subtractiong 11. The no.s are 15 and 4. So,  3x2-11x-20=0 Or, .....

You live in a particular society. As a society member, you have many responsibilities towards your society. You help people in your society in difficulties. You help the old people and love the children younger than you. You involve in keeping .....

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Do you know what are intgers? An integer is a whole number (not a fractional number) that can be positive, negative, or zero.Examples of integers are: -5, 1, 5, 8, 97, and 3,043.Examples of numbers that are .....

You may know that,  We can add, and substract like terms only. Here, So, we obtain: 2a - a + 12a2 = a + .....

DANIDA(Danish Internationla Development Agency) is the term used for Denmark’s development cooperation. It is the section of the Danish Ministry of Foreign Affairs. It is dedicated to providing aid and financing pro-development .....

भाषा साहित्य, कला आदिसँग सम्बन्धित शाखालाई मानविकी भनिन्छ .....

1. (a + b)2 = a2 + 2ab + b2; a2 + b2 = (a + b)2 − 2ab 2. (a − b)2 = a2 − 2ab + b2; a2 + b2 = (a − b)2 + 2ab 3. (a + b + c)2 = a2 + b2 + c2 + 2(ab + bc + ca) 4. (a + b)3 = a3 + b3 + 3ab(a + b); a3 + b3 = (a + b)3 − .....

 धन कमाउन विदेश गएका दाइलाई बहिनीले गाउँमा रहेका  सुम्मिाले दिदीले विद्यालयमा प्राध्यापक .....

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A Japanese mountaineer, Junko Tabei, was the first woman to climb Mt. Everest. And Pasang Lhamu Sherpa was the first Nepali woman to climb the Mt. .....

The graphical representatin of time along x-axis  and velocity along the y-axis is called velocity time graph. Its advantages are, We can find the velocity at any time To find distances travelled. To find .....

Disturbing the balance of an ecosystem can be disastrous for all the living things relying on it.  An example An ecosystem are Coral Reefs but there are much smaller ecosystems. Each ecosystem differ in size and components, but the .....

Mass is unchanging. Mass is, to put it simply, the amount of stuff you are made off. It is measured in kilogram (kg). If I was to travel to the moon, I would have the same mass on the moon as I would on earth. If, however, you are thinking .....

Past Tense Simple Past S + V2 Past Continuous  S + to be2 + Ving Past Perfect  S + had +V3 .....

Here, 2x add 3 = 2x + 3 and, x add 1 = x + 1. So, subtracting, we obtain: ( 2x + 3 ) - ( x + 1 ) = 2x  + 3 - x - 1 = x + .....

You might have learnt about Measurement. The kilogram (abbreviation, kg) is the Standard International (SI) System of Units unit of mass. It is defined as the mass of a particular international prototype made of platinum-iridium and kept at the .....

We write  'चार ' to denote four in Devnagari .....

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शिक्षामा रहेका सम्भावनाहरु  नेपालमा हिमाल,पहाड र तराईमा मौषम अनुसारको शिक्षा .....

अब, निबन्धको सुरुको भागमा शीर्षकको परिचय,पृष्ठभूमि,र  विस्तार गरिने कुरा अलिअलि एक वा दुई .....

Concave lens is not used in hypermetropia by looking at te figure,  can you tell me, why it is not .....

Here, i=(1,0)   and j=(0,1) So, i.j= .....

Given, In first case, we have m = v/u = 2 v = 2u   1/f = 1/v +1/u        = 1/2u +1/u      1/f  = 3/2u.............1 In the second case,  let u' and v' are the object and image distance .....

and one question at a .....

From the Newtons 1st law, we can define force and inertia. By Newton's 1st law,

Force is a physical quantity, which when applied to a body, if the body is rest then it starts its motion in the direction of applied force and if .....

The gene that is passed on from both parents, which causes some men to have more sons and some to have more daughters, may explain why we see the number of men and women roughly balanced in a population. If there are too many males in the .....

Kiran, will you review your question .....

You see mountains, hills, plain lands, rivers, lakes, agricultural lands, roads, buildings, plants, animals and so on. Plants and animals are living things. The things other than plants and animals such as mountains, hills, plain lands, rivers, .....

Therefore, triangle ABC is congruent to triangle .....

The postulates of electronic theory of valency can be summarises below. 1. Valency of an element is decided by the number of valence electons i.e electron present in the outermost orbit. 2. Atoms of noble gas elements have eight or two electron .....

Lets us take some examples, Elevators use multiple pulleys in order to function. A cargo lift system that allows for items to be hoisted to higher floors is a pulley system.  Wells use the pulley system to hoist the bucket out of the .....

       Yes,if there is a convergent beam directed towards a plane mirror, converging towards a point behind the mirror. The reflected beam would then converge a point at a distance equal to distance between the mirror And .....