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If  be the roots of the quadratic equation  be a real number, then the condition so that  is given by

a)

b)

c)

d)



Question ID - 104921 | SaraNextGen Top Answer

If  be the roots of the quadratic equation  be a real number, then the condition so that  is given by

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (d ) -

(d)

Since,  are the roots of the equation

 be the roots of . Also

So,

Also,

127 votes


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