Asked by ujay
What is the derivative of x^2 -4y -tanxy=0
Answers
Answered by
Reiny
Do it implicitly.
Your first line derivative is
2x - 4dy/dx - sec^2 (xy)(xdy/dx + y) = 0
expand the term at the end
keep terms containing dy/dx on the left side, take everything else to the right.
factor out the dy/dx, and isolate it.
Your first line derivative is
2x - 4dy/dx - sec^2 (xy)(xdy/dx + y) = 0
expand the term at the end
keep terms containing dy/dx on the left side, take everything else to the right.
factor out the dy/dx, and isolate it.
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