If the curves y = 2 ex and y = ae–x interest orthogonally, then a =
Given that the curves y = 2 ex and y = ae–x
Differentiating both of them w.r.t. x,
Let 
m1×m2=-1
(Because curves cut each other orthogonally )
⇒ -2a = -1
1
If the curves y = 2 ex and y = ae–x interest orthogonally, then a =
Given that the curves y = 2 ex and y = ae–x
Differentiating both of them w.r.t. x,
Let
m1×m2=-1
(Because curves cut each other orthogonally )
⇒ -2a = -1