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Johnryantanaelgo
Answered

Simplify the following expression

1.
[tex] \sqrt{64} [/tex]
2.
[tex] \sqrt{a { }^{2} } [/tex]
3.
[tex] \sqrt{4a {}^{2} } [/tex]
4.
[tex] \sqrt{12} [/tex]
5.
[tex] \sqrt{72a { \: b}^{2} } [/tex]

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Sagot :

Johnpaultortozago

1√64=8

2√9^2=9

3√4a2=2a

4√12=3.4641

5√72a2=8.485289

Step-by-step explanation:

1√64

=√8^2

=8

2√9^2

=9

3√4a2

=√4√a2

=√2^2a

=2a

4√12

=√2^2×3

=√2^2√3

2√3

solution

alternative form

=3.4641

5√72a2

=√6^2×2a2

=√6^2√a2√2

=6a√2

=6a√2a

solution

alternative form

=8.485289

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