what is the value of
[tex] \sqrt{81} [/tex]

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05-01-2021
Mathematics

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what is the value of
[tex] \sqrt{81} [/tex]

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julie0918 julie0918 · Answer 1 · 2021-01-05T13:19:34+01:00

julie0918 julie0918

05-01-2021

9

9x9= 81 hope this helps

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aashish50 aashish50 · Answer 2 · 2021-01-05T13:20:16+01:00

aashish50 aashish50

05-01-2021

Answer:

81

=

9

⋅

9

then the square root of

√

81

=

9

.

Because the double multiplication for the same sign is always positive, the square root is also valid with the other sign

81

=

(

−

9

)

⋅

(

−

9

)

then

√

81

=

−

9

and we can say that

√

81

=

±

9

.

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what is the value of [tex] \sqrt{81} [/tex]​

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what is the value of
[tex] \sqrt{81} [/tex]