1.

1/2 + 1/4 + 1/8 + 1/16 + ............= x, 1/3 + 1/9 + 1/21 + 1/81 + y , thenA) x2 = yB) 2x + 4y = 4 C) x = y D) x + y = 0

Answer»

Correct option is B) 2x + 4y = 4



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