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CBSE Notes 2011-2012

The 2nd, 3rd and 4th terms in the expansion of (x + y)n are 240, 720 and 1080 respectively. Find the...

Short answer question

The 2nd, 3rd and 4th terms in the expansion of (x + y)n are 240, 720 and 1080 respectively. Find the values of x, y and n.

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