Find the condition for the curves x²/a²-y²/b²=1 and xy=c² to intersect orthogonally.

Refer your ncert Page 123

Refer ncert exemplar pg no. 123

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First we have to differentiate both the equations with respect to x and hence get the slope of tangents to both the curve ,let m1 and m2 be the slopes Then, we put m1.m2= -1