5 root 2
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2 cube root 24 plus 3 cube root 81 is 18.7492444
It is simple. Take conjugate 2 times. first treat root 2 and root 3 as a single term and do calculations. answer is (6*root2+4*root3-2*root30)/24
root 3 - 1 all over 2
7 ÷ 2 + (√3) = 5.232050808
square root of 4x is 2 times square root of x, so answer is square root of x times 3 since it is 2 square roots of x plus one of them