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If a and b are the roots of the equation...

If a and b are the roots of the equations ` x^(2) - 5x+ 7 =0`, then value of `ab( a+b)` is :

A

` 5`

B

` 25`

C

` 35`

D

` 49`

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Verified by Experts

The correct Answer is:
c
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OSWAAL PUBLICATION-QUADRATIC EQUATIONS -TOPIC -2 Relation between Roots and its Coefficients and Formation of Equations (MULTIPLE CHOICE QUESTIONS
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  2. Which one of the following in not a pure quadratic equations?

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