How do you simplify $3/(-4k^2-5sqrtk^4)$ ?

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Answer 1 · 2017-10-05T09:14:02

See explanation.

$3/(-4k^2-5sqrt(k)^4)=3/(-4k^2-5(k^(1/2))^4)=$

$3/(-4k^2-5k^2)=3/(-9k^2)=-1/(3k^2)$

In the calculation I used the following rules:

$sqrt(a)=a^(1/2)$