CBSE Class 11-science Answered
chain rule
Asked by ashwinikumar59 | 08 May, 2010, 04:17: PM
Expert Answer
Let y be a function of x.
Chain rule,
dy/dx = (dy/du)(du/dx) .... multiply and divide by du
y = sinnx = un ........... where u = sin x
then dy/du = nun-1
du/dx = cos x
and
dy/dx = (dy/du)(du/dx) = nun-1cos x = nsinn-1x cos x
Regards,
Team,
TopperLearning.
Answered by | 08 May, 2010, 09:01: PM
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