Question

Solve:-
(p²-mn)-2(m²-np) +(n²-mp) =0​

Answer 1

Answer:

For real and equal root, discriminant, D=0

b

2

=4ac

⇒4(mp+nq)

2

=4(m

2

+n

2

)(p

2

+q

2

)

⇒m

2

q

2

+n

2

p

2

−2mnpq=0

⇒(mq−np)

2

=0⇒mq−np=0

∴mq=np