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The value of c for which |alpha^(2) -bet...

The value of c for which `|alpha^(2) -beta^(2)| = (7)/(4)` where a and B are the roots of `2x^(2)+7x+c=0` is

A

4

B

0

C

6

D

s

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-QUADRATIC EQUATIONS & EXPRESSIONS-EXERCISE-II
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  4. If the sum of the roots of the equation x^(2)+px+q=0 is 3 times their ...

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  5. If the difference between the roots of x^(2) + ax + b = 0 is equal to ...

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  7. If tan^(2)theta, sin^(2)theta are the roots of ax^(2)+bx+c=0 then b^(2...

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  8. If the roots of ax^(2) + bx + c = 0 are 2, (3)/(2) then (a+b+c)^(2)

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  9. If alpha, beta are the roots of x^(2) + x + 3=0 then 5alpha+alpha^(4...

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  16. If alpha, beta are the roots of x^(2)-2x+4 = 0 and for any n in N, a...

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  17. If A, B, C, D are the sum of the square of the roots of 2x^(2) + x- 3=...

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  18. The equation formed by decreasing each root of ax^(2) + bx + c = 0 by ...

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  19. alpha,beta are the real roots of ax^(2) + bx + c = 0 observe the follo...

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  20. If x^(2) + px + q = 0 is the quadratic equation whose roots are a-2 an...

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