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In a triangle ABC a= 4 , b= 3 , angle A...

In a triangle ABC a= 4 , b= 3 , `angle A =60 ^@` ,Then c is root of equation :-

A

`c^2+3c-7=0`

B

`c^2-3c-7=0`

C

`c^2-3c+7=0`

D

`c^2+3c+7=0`

Text Solution

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The correct Answer is:
B
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