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If the inequality x^(2)+ax+a^(2)+6alt0 i...

If the inequality `x^(2)+ax+a^(2)+6alt0` is satisfied for all `x" in "(1, 2)`, then the sum of all the integral values of a must be equal to

A

`-10`

B

`-15`

C

`-21`

D

`-28`

Text Solution

Verified by Experts

The correct Answer is:
C
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