The value of √(-25) + 3√(-4) + 2√(-9) is

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ChiChiTyro

Asked: April 17, 20212021-04-17T14:11:10+00:00 2021-04-17T14:11:10+00:00In: High School/Senior Secondary School

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acedstud · Accepted Answer · 2021-04-17T20:17:44+00:00

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acedstud

This answer was edited.

First, we note that the square root of a negative number arises in a complex number (imaginary number).

Thus, $\sqrt{-25}+3\sqrt{-4}+2\sqrt{-9}=\sqrt{25}i+3\sqrt{4}i+2\sqrt{9}i=5i+3(2i)+2(3i)$

$=5i+6i+6i=17i$ .

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