Knockout NEET May 2021 (One Month)
An exhaustive E-learning program for the complete preparation of NEET..
₹ 14000/-
₹ 6999/-
Buy Now
Let suppose, Curve
and xy = k cut at the right angle
-(i)



then the slope of their tangent also cut at the right angle
means,
Now these values in equation (i)
Hence proved