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1.the no. of total terms in the expansion of (3x-2y)^{7}[1/x+1/y]^{8}

2 Answers

??replies????

1357

Manish Shankar ·2009-06-20 05:45:20

it can be written as

y⁷(3x/y-2)⁷(1+x/y)⁸/x⁸=(y⁷/x⁸)(3t-2)⁷(1+t)⁸

Now try from here

This might help

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