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The length of the chord intercepted by t...

The length of the chord intercepted by the circle `x ^(2) + y ^(2) + 2x + 4y =20=0` on the line `3x + 4y -6=0` is

A

`5sqrt2`

B

` 4/5 sqrt21`

C

`8/5sqrt21`

D

`5 sqrt2`

Text Solution

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The correct Answer is:
C
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