I. Determine which of the following equations are exathe ones that are – InterviewSolution

1.

I. Determine which of the following equations are exathe ones that are.Y)(x+y+1) dr + (x-y2 + 3) dy-0

Answer»

Compare with Mdx + Ndy form

d(x + y + 1)----------------- = 1 dy

d( x - y² + 3)------------------- = 1 dx

So, exact

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