What is the constant term (i.e., the coefficient of x^0) in the expansion of (x+1/x)^22
Added by Laurie B.
Step 1
This means that we need to find a term where the powers of x and 1/x cancel each other out. We can use the binomial theorem to expand (x + 1/x)^22. The binomial theorem states that for any non-negative integer n and any real numbers a and b: (a + b)^n = ∑ (from Show more…
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