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Letf(x)=x^2+b1x+c1,g(x)=x^2+b2x+c2. Real...

Letf(x)=`x^2+b_1x+c_1`,g(x)=`x^2+b_2x+c_2`. Real roots fo f(x)=0 be `alpha,beta`and real roots ofg(x)=0 be `alpha+delta,beta+delta`.Least value of f(x) be -1/4. Least value of g(x) occurs at x=7/2
The least value of g(x) is

A

6

B

-7

C

8

D

0

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The correct Answer is:
B
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