exam Maths Puzzle Numerical Ability

decompose into a partial fraction

3x^2+15x+8/(x+1)(x+2)(x-3)

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exam Other Question

I am not able to figure these out.

1.) 2logm^a-3logm^b2


2.) ln2x+ln3x

3.)logx+log(3x-13)=1

(-9)(5)
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-3