Dr. Jonas Salk invented anti-polio .....

Hello, Aloj! Could you please complete your .....

Richard Jordan Gatling Inventor of Machine .....

The credits for invention of television mainly goes to three people.  Philo Fransworth Charles Francis Jenkins John Logie .....

- Christopher Latham Sholes was an American inventor. He is known as the "Father of the .....

He was Scottish Scientist and  Biologist .  He was Alexander Fleming who discovered .....

Vacuum flask/ Inventor James .....

Oliver Evans invvented the first .....

An American inventor, Whitcomb L. Judson, invented .....

We have no provision of showing video visual. Please ask .....

When NaOH and NH4OH is heated it produce Sodium hydroxide, water and ammonia. NaOH + NH4OH → NaOH + H2O + .....

The country's name starts with .....

Human bodies are used to air pressure. The air pressure in our lungs, ears and stomachs is the same as the air pressure outside of our bodies, which ensures that we don't get crushed. Our bodies are also .....

One out of many funny jokes: A man got hit in the head  with a can of coke, but he was alright because  it was a soft .....

1st find median by making cf table. Then,the mean deviation is calculated about the median, the formula becomes

M.D (about median)=∑f|X−Median|/∑f Use this formula and find M.D. Now coeff.of M.D.= .....

Here to simplify, it we hve to open bracket. x (x+3)= x.x+x.3            .....

मानिसको उन्नति र प्रगतिको विकास हुनका लागि  वातावारण स्वच्छ हुनु जरुरि छ ।  प्रतिकूल .....

To solve this, we have to use concept of arc and angle. Here,x= 35, [angle standing on same arc PQ] <RQP=90  [angle at the semi circle.] So in triangle PQR, y+90+x=180 or, y+90+35=180 I hope you can find it .....

केहि उत्सुकता भए निसंकोच सोध्नु होला .....

Please let us know if we could help you in any other .....

To solve this, we have to use concept of arc and angle. Here, Ref. [central angle is twice of inscribed angle  on same .....

Straight Temple              Hinduism  Fire Temple                    Paris Gurudwara                     .....

To solve this, we have to use concept of arc and angle Here, △OAC is an isoscales triangle, because OA=OC Now, <AOCC=180- 32-32= 116 Again, Ref.<AOC=360-116=............. Finally,  x=1/2  Ref.<AOC=1/2.   .......[ .....

Here, △OAC is an isoscales triangle, because OA=OC Now, <AOCC=180- 32-32= 116 Again, Ref.<AOC=360-116=............. Finally,  x=1/2  Ref.<AOC=1/2.   .......[ inscribes angle is 1/2 of central angle on same .....

You might have learnt about matters. There are several ways to measure the density of gas. One way is to take a certain amount of gas and weigh it. One way to do this is by filling a container with the gas and weighing it, then using a vacuum .....

For litmus paper test. Ammonia turn red litmus paper into blue paper. Carbon dioxide will turn moist litmus paper into blue to .....

Bone chisel, and bone cutter  These are the instruments used to cutting or dividing .....

Thomas Alva Edison invented .....

Have you ever seen people playing cards at local tea shops in your village? If you have seen how long did they play there? Have you counted the people involved in playing cards? Did all of them play or some few play the .....

Water pipes burst because, the water inside them expands due anamalous expansion as it gets close to freezing, and this causes an increase in pressure inside the pipe. When the pressure gets too high for the pipe to contain, it .....

Let two angles are  a  and  b, Then we know sum of complementary angles anr 90, So,  a+b=90................i) And a-b=9  ===> a=9+b..............ii) Putting value of a in equation  i) 9+b+b=90. Solve it and .....

Please let us know if we could help you in any other way. Please feel easy to ask again if you do not .....

Here we take LHS, LHS= sin2A-cos2A          =sin2A-(1-sin2A)            =sin2A-1+sin2A               can you complete it .....

To prove this identity, we sarts from LHS. Here,  LHS=cosec2A+cot2A                   =cosec2A+Cosec2A-1     [since, cot2A=cosec2A-1]             .....

Please let us know if we could help you in any other way. Please feel easy to ask again if you do not .....

After substituting, you will get tan2A × cosec2A  You may know that, in terms of cosec and sec functions, tanA = secAcosecA. Substitute the value of tanA in the expression tan2A × cosec2A , You will .....

You know  cos2A = cosA You know, cosA divided by sinA = cotA. Thus, you get your required .....

You know tan2A = tanA So, the above equation becomes, cosA.tanA = .....

Yes, the sum of two equl vectors can be equal to either vector. Let →P    and →Q be two vactors such p=x, Q=x and their resultant R=x

.....

Here, p=1 α=600 Now equation of line if α  and p given, xcosα+ysinα=p Or, x cos60+ysin60=1 Or x . 1/2  + y . √3/2 =1 Now simplify and get answer,  your answer is .....

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Li and Be both present in the same period hence size decreases as we move li to be similarily Li+ and Be++ also decreases this is due to increasing of nuclear charge  per electron. Hence Be++ have smaller sizes as compared to .....

Angle Between Two Lines

Let y = m1x + c1 and y = m2x + c2 be the equations of two lines in a plane where,

Lets take LHS, because it is complicated then RHS. LHS= SinA x cosecA x cotA x secA          = sinA x 1/sinA  x cosA/sinA x 1/cosA           = 1/sinA           .....

You must remember that GDP refers to the aggregate demand of an economy as well. And hence, Aggregate Demand (GDP) = Consumption + Investment + Government Expenditure + Net Exports The main difference between nominal and real values is that real .....

According to Gopalraj Vamsavali, the oldest ever chronicle in Nepal, the Pashupatinath temple was built by Supuspa Deva, a Lichchhavi King, who according to the stone inscription erected by Jayadeva 11 in the courtyard of Pashupatinath in .....

Most of Africa is a series of stable, ancient plateau .....

When we talk we breath.  We should not talk while eating because just above the wind pipe there is epiglotis which opens when we talk and if food goes inside the wind pipe,  we then .....

X-intercept= a= -2 Y-intercept=b=3 Now equation of st.line is  x/a+y/b=1 or, x/(-2)+y/3=1 Or, 3x-2y=-6 Or, 3x-2y+6=0 To prove 2nd part, put x=2  and y=6 in this equation and you will get 0=0, It completes your .....

 A .....