SOLUTION: If 21st and 22nd term of the expansion (1+x)^44 are equal find the value of x

SOLUTION: If 21st and 22nd term of the expansion (1+x)^44 are equal find the value of x

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Question 1116575: If 21st and 22nd term of the expansion (1+x)^44 are equal find the value of x

Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

The first term of the expansion is

The n-th term of the expansion is

So the 21st term is and the 22nd term is .

We want the two terms to be equal:

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