Question

Find the value of descriminate
2m²+ m-1=0
​

Answer 1

Given equation is x2+7x−1=0

here a=1,b=7 and c=−1

Discriminant Δ=b2−4ac

⇒Δ=72−4×1×−1

          =49+4

          =53

∴Δ>0