Question

$\sqrt{( - 9)( - 4)}$
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Answer 1

Answer:

6

Step-by-step explanation:

$\sqrt{(-9)(-4)}$

$=\sqrt{+36$

$=\sqrt{6^2}$

=6

Answer 2

Solution :

$\sf : \implies \sqrt{( - 9)( - 4)}$

$\sf : \implies \sqrt{(- 9) \times ( - 4)}$

$\sf : \implies \sqrt{36}$

$\sf : \implies \sqrt{(6)^{2}}$

$\sf : \implies 6$

Therefore,

$\sf \sqrt{( - 9)( - 4)} = 6$