exam Maths Puzzle Numerical Ability

solve for x

(2x+1)^3/2/(x-1)^2+(2x+1)^1/2/(x-1)=0

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exam Other Question

For the equation
sin(5 x) = 0.37
find the smallest solution, the largest solution and the number of solutions for x in the interval 0 ? x ? 2?. What is the volume of a cube with a side = sqrt 3 cm?

I appreciate any help! Thanks so much.