1.

Auxiliary equation of 2x2 + 3xy – 9y2 = 0 is _________.(A) 2m2 + 3m – 9 = 0 (B) 9m2 – 3m – 2 = 0 (C) 2m2 – 3m + 9 = 0 (D) -9m2 – 3m + 2 = 0

Answer»

Correct option is: (B) 9m2 – 3m – 2 = 0 



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