ADNAN MUHAMMED

Grade 12,

If 2x+y+k=0 is normal to parabola y^2=-8ax,then find the value of k.

If 2x+y+k=0 is normal to parabola y^2=-8ax,then find the value of k.

Grade:12th pass

1 Answers

Bhaskar
23 Points
6 years ago
The equation of normal in terms of m is=mx-2am-am^3.......(1)So,a=-2Now, compare eq (1) with 2x+y+k=0So we get m=2 And k= 2am+ am^3Put the value of a and m,K=-24

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