2 years ago

Simplify √ 63 fully, giving your answer in the form a √ b

Mathematics

2 answers:

Misha Larkins [42]2 years ago

8 0

A12

Step-by-step explanation

worty [1.4K]2 years ago

5 0

Answer:

3 $\sqrt{7}$

Step-by-step explanation:

Using the rule of radicals

$\sqrt{a}$ × $\sqrt{b}$ = $\sqrt{ab}$ , then

$\sqrt{63}$

= $\sqrt{9(7)}$

= $\sqrt{9}$ × $\sqrt{7}$

= 3 $\sqrt{7}$

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