The value of discriminant for the equation x²+7x-1=0 is …………�

1.	The value of discriminant for the equation x²+7x-1=0 is ……………………a)-53b)53c)49d)-49
Answer» GIVEN equation is X 2 +7x−1=0 Discriminant=Δ=b 2 −4ac where a=1,b=7 and c=−1 ∴Δ=7 2 −4×1×−1=49+4=53>0

The value of discriminant for the equation x²+7x-1=0 is ……………………a)-53b)53c)49d)-49

Answer»

GIVEN equation is X

+7x−1=0

Discriminant=Δ=b

−4ac

where a=1,b=7 and c=−1

∴Δ=7

−4×1×−1=49+4=53>0

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The value of discriminant for the equation x²+7x-1=0 is ……………………a)-53b)53c)49d)-49​

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The value of discriminant for the equation x²+7x-1=0 is ……………………a)-53b)53c)49d)-49