Question

Binomial Expansion:

Answer 1

Expand in ascending powers of x, up to and including the term x^2:
\[(4+3x)^{-1/2}\]

Answer 2

Not sure why I always get:
\[4 - \frac{ 3 }{ 2 }x+\frac{ 27 }{8 }x^{2} \]

Would appreciate any help with this.

Answer 3

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Answer 4

\[(4+3x)^{-1/2}\] is not a binomial, so you may not use the binomial theorem to expand it.