1.

|(C) रुधनापुङD)_y = 4bab7. समीकरण 2 -2 और 4करने वाले x और y के मान है।(A) x = a, y = b ।(B) x = 2a, y=-2b(C) x = a, y=-b(D) x = 2a, y = 2b

Answer»

2(x/a) + y/b = 2.....(1)x/a - y/b = 4...........(2)

Add eq(1) and eq(2)

3x/a = 6x = 6a/3 = 2a

Put value of x in eq(2)2a/a - y/b = 4y/b = 2 - 4y = - 2b

(B) is correct option



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