If x^y × y^x = e^x^2 then dy/dx at x=1 is equal to??
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Take natural log of both sides, then differentiate implicitly.
xy=yx
ylnx=xlny
yx+lnxdydx=xydydx+lny
Multiply both sides by xy
y2+xylnxdydx=x2dydx+xylny
x2dydx−xylnxdydx=y2−xylny
x(x−ylnx)dydx=y(y−xlny)
dydx=y(y−xlny)x(x−ylnx)
harshita113:
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hope it helps uhh mate........
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