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Sqr of 10(-3sqr 2-2sqr 5)

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asked Mar 3, 2016 89.9k views

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Sqr of 10(-3sqr 2-2sqr 5)

Mathematics
high-school

Gerrit Brink asked

by Gerrit Brink

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$\sqrt{10(-3sqr^(2) - 2sqr^(5)} \\\sqrt{10(-3sqr^(2)) - 10(2sqr^(5))} \\\sqrt{-30sqr^(2) - 20sqr^(5)} \\\sqrt{(r^(2) * (-1) * 30sq) - (4r^(4) * 5sqr)} \\r^(2)i - 2r^(2)\sqrt{30sq - 5sqr$

Kostya Buts answered Mar 9, 2016

by Kostya Buts

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