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Problem #46

Efficient calculation methods

Compiler of the Uzbek version and author of the solutions — Zuhriddin Jaloliddinov

Hard20 pointsArithmetic operations93%
Calculate using the most efficient method:
6,3⋅1,7(6,31,7−1,76,3)(6,3+1,7)2−4⋅6,3⋅1,7\dfrac{\sqrt{6,3\cdot 1,7}\left(\sqrt{\frac{6,3}{1,7}}-\sqrt{\frac{1,7}{6,3}}\right)}{\sqrt{(6,3+1,7)^{2}-4\cdot 6,3\cdot 1,7}}

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