Q1 of 285 Page 409

Find , when:

x2 + y2 = 4


Let us differentiate the whole equation w.r.t x


Formula :


According to the chain rule of differentiation



Therefore ,






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50

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

If . Prove that .


 51

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

Differentiate w. r. t. x


 2

Find , when:


3

Find , when: