If ^ is the angle between the lines a x²+2 h x y+b y²=0 , then angle between x²+2 x y +y²=0 is

Step-by-step solution

Angle between the lines a x²+2 h x y+b y²=0 is = | 2 h²-a b a+b | For x²+2 x y +y²=0 aligned h &= , a=b=1 &= 2 ² -1 1+1 aligned = 2 2 = Angle between x²+2 x y +y²=0 is .