Asked by | 14th Jun, 2008, 12:37: PM
We cannot entertain multiple question of this type, please post each question individually and let us know where you are getting stuck so that we would be able to explain things better.
The answer to the first question is:
Use chain rule repeatedly to differentiate
d[2(cotx2)1/2 ]/ dx = 1/(cotx2)1/2d[cotx2]/dx
again apply chain rule:
= 1/(cotx2)1/2 * (-cosecx2cotx2) dx2/dx
put dx2/dx = 2x and simplify to get the answer.
Answered by | 18th Jun, 2008, 10:19: AM
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