exam Maths Puzzle Numerical Ability

please help me dolve this equation
(SQRT h^2+1)+1)(SQRT h^2+1)-1)

thank you :]

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exam Other Question

The vector v=[4 5] can be written as a linear combination of the vectors v1=[1 3] and v2=[4 -2] by letting c1=? and c2=?. Find c1 and c2 to solve. How would you solve this equation?
(2x^4-3x^3+3x+1) divided by (2x+1)