Question
Find the domain and range of the function $f(x)=\frac{x^2-9}{x-3}$
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$\sum_\limits{\text{n}=1}^{11}(2+3^\text{n})$
Find the middle term in the expansion of:
$\Big({\text{x}^4}-\frac{1}{\text{x}^3}\Big)^{11}$
Using binomial theorem write down the expansions of the following:
$(1-2\text{x}+3\text{x}^2)^3$
$\text{e}^{\text{3x}}$
Find the 8th term in the expansion of $\big(\text{x}^\frac{3}{2}\text{y}^\frac{1}{2}-\text{x}^\frac{1}{2}\text{y}^\frac{3}{2}\big)^{10}.$