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Gireesha from innocent hearts school jalandhar, Jalandhar
Subject :IMO    Class : Class 9

If (3x - y)7 = A0x7 - A1x6 · y + A2x5 · y2 - A3x4 · y3 + A4x3 · y4 - A5x2 · y5 + A6x · y6 - A7y7, find the value of A0 - A1 + A2 - A3 + A4 - A5 + A6 - A7.

A512
B128
C256
D32


Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

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