Question

if the roots of the equation (a²+b²)x²+2(bc-ad)x+c²+d²=0are real and equal show that ac+bd=0​

Answer 1

use discriminant formula

D=b^2-4ac

where a=a^2+b^2

b=2(bc-ad)

c=c^2+d^2

and put value of a b and C

mark me as brainliest answer