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If x^2 -hx - 21 = 0 and x^2 - 3hx + 35 =...

If `x^2 -hx - 21 = 0` and `x^2 - 3hx + 35 =0 ( h gt 0)` have a common roots, then h =…………..

A

`0`

B

`1`

C

`4`

D

`3`

Text Solution

Verified by Experts

The correct Answer is:
C
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