doubtly

Ask Log in Sign up

#tangents-and-normal

1 question

The equation of the common tangent to the curves y^2 = 8x and xy = - 1 is Correct option is (d) y=x+2 Explaination:: tangents to the curve y²=8x is y=mx+2/m, so it must satisfy xy=-1 x(mx+2/m)=-1 mx²+2/mx+1=0, sinc... Uncategorized 1 answer