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If a, b, A be given in a triangle and c1...

If `a, b, A` be given in a triangle and `c_1 and c_2` be two possible value of the third side such that `c_1^2+c_1c_2+c_2^2=a^2,` then a is equal to

A

(a)`30^(@)`

B

(b)`60^(@)`

C

(c)`90^(@)`

D

(d)`120^(@)`

Text Solution

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The correct Answer is:
B, C
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