1.

Determine the differentials in each of the following cases. xy^2 + yx^2 = 1

Answer»

SOLUTION :`xy^2 +yx^2 = 1`
`rArr dx CDOT y^2 + x cdot 2y dy +dy cdot x^2 + y cdot 2x dx = 0`
`rArr (2 xy + x^2) dy = - (y^2 + 2xy) dx`
`rArr dy=-(y^2+2xy)/(x^2+2xy) dx`


Discussion

No Comment Found

Related InterviewSolutions