Application of DerivativeHard
Question
If curves 
= 1 and 
= 1 intersect orthogonally, then-
= 1 and = 1 intersect orthogonally, then- Options
A.a2 + b2 = l2 + m2
B.a2 − b2 = l2 − m2
C.a2 − b2 = l2 + m2
D.a2 + b2 = l2 − m2
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