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If x^(2)+ax+10=0and x^(2)+bx-10=0 have c...

If `x^(2)+ax+10=0and x^(2)+bx-10=0` have common root, then `a^(2)-b^(2)` is equal to

A

10

B

20

C

30

D

40

Text Solution

Verified by Experts

The correct Answer is:
D
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