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Byju's Answer
Standard IX
Mathematics
Mixed or Impure Surds
Express the f...
Question
Express the following mixed surd in the form of a pure surd.
4
3
√
5
A
3
√
320
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B
3
√
250
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C
3
√
625
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D
3
√
1250
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Solution
The correct option is
A
3
√
320
4
3
√
5
=
3
√
4
3
×
5
⇒
4
3
√
5
=
3
√
64
×
5
⇒
4
3
√
5
=
3
√
320
.
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