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If values of a, for which the line y=ax+...

If values of a, for which the line `y=ax+2sqrt(5)` touches the hyperbola `16x^2-9y^2 = 144` are the roots of the equation `x^2-(a_1+b_1)x-4=0`, then the values of `a_1+b_1` is

A

`-2`

B

`0`

C

`2`

D

`4`

Text Solution

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The correct Answer is:
B
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