In a triangle ABC, a = 4, b = 3, ∠BAC = 60°, then the education fo – McqOptions

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1.	In a triangle ABC, a = 4, b = 3, ∠BAC = 60°, then the education for which c is the root, is
A.	c2 + 3c + 7 = 0
B.	c2 + 3c - 7 = 0
C.	c2 - 3c + 7 = 0
D.	c2 - 3c - 7 = 0
Answer» E.

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