Question

(a²-b²)x²-2(a²+b²)x+a²-b²=0​

Answer 1

Answer:

D=b

2

−4ac=0

=2[2(a+b)]

2

−2[2(a

2

+b

2

)][1]

=4(a+b)

2

−8(a

2

+b

2

)

=4a

2

+4b

2

+8ab−8a

2

−8b

2

=−4a

2

−4b

2

+8ab=−4(a−b)

2

must be less than zero

Hence no real roots.