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The 2^(nd), 3^(rd) and 4^(th) terms in t...

The `2^(nd), 3^(rd)` and `4^(th)` terms in the binomial expansion of `(x+a)^(n)` are 240, 720 and 1080 for a suitable value of x. Find x, a and n.

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The correct Answer is:
`x=2, a=3`
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