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In a ΔABC, a = 4, b = 3 and ∠A = 60°, then c is the root of the equation

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In a ΔABC, a = 4, b = 3 and ∠A = 60°, then c is the root of the equation

(a) c2 - 3c - 7 = 0

(b) c2 +3c +7 = 0

(c) c2 - 3c +7 = 0

(d) c2 + 3c -7 = 0  

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1 Answer

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Best answer

The correct option is (a) c2 - 3c - 7 = 0.

Explanation:

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