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Byju's Answer
Standard IX
Mathematics
Surds
Compare the f...
Question
Compare the following pairs of surds.
8
√
80
,
4
√
40
A
8
√
80
<
4
√
40
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B
8
√
80
≠
4
√
40
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C
8
√
80
=
4
√
40
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D
8
√
80
>
4
√
40
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Solution
The correct option is
C
8
√
80
<
4
√
40
8
√
80
,
4
√
40
=
80
1
8
,
40
1
4
=
80
1
8
,
40
2
8
=
80
1
8
,
1600
1
8
Now,
80
<
1600
=
>
80
1
8
<
1600
1
8
=
>
8
√
80
<
4
√
40
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0
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