exam Maths Puzzle Numerical Ability

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When the sample size is large enough, the central limit theorem implies all of the following except

a. The sampling distribution of th

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exam Other Question

Please help me solve this equation:

frac{3x^2-26x+80}{(x-6)(x-4)(x+2)} - frac{3}{x + 2}

the final answer should be written as:
frac{a}{x^2+bx+c}

Here a,b and c are ordinary numbers. Please help!! I have spent an hour trying to figure this one out.

e/x=x/2-1 that is e to the x equals x squared minus 1