Q51 of 285 Page 402

Differentiate each of the following w.r.t x:

Differentiate w. r. t. x


Given: Value of


To find:


The formula used: (i)


(ii)





Let 2x = tanθ


θ = tan-1(2x)


Putting 2x = tanθ







Now Differentiating







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49

Differentiate each of the following w.r.t x:

If , show that .


 50

Differentiate each of the following w.r.t x:

If . Prove that .


 1

Find , when:

x2 + y2 = 4


 2

Find , when: