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square root of 80 + square root of 20 divided by square root of 3 in the form of square root a where a is an integer
Question
square root of 80 + square root of 20 divided by square root of 3 in the form of square root a where a is an integer
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Mathematics
4 years
2021-09-02T06:39:16+00:00
2021-09-02T06:39:16+00:00 1 Answers
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Answers ( )
Answer:
2
Step-by-step explanation:
(
+
) ÷
=
= (√4·4·5 + √4·5) ÷
= (4
+ 2
) ÷ 
= 6
÷ 
at this point you want to rationalize the denominator, meaning multiply the numerator and denominator by
= (6√5·3) ÷ √3·3
= 6
÷ 3
= 2