Evaluate the expression
2 answers:
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Answer:
w = -
Step-by-step explanation:
3 1/4 = 1/2 + w
Cross Multiply
31(2 + w) = 4
Divide both sides by 31
=
(simplify) -> 2 + w =
Subtract 2 from both sides
2 + w - 2 + - 2 (simplify) -> -
w = -
In general the binomial expansion is
So in our case, because we want ascending powers of x we'll write,
We need to calculate the binomial coefficients: