Question

please solve this question​

Answer 1

Answer:

ok

Step-by-step explanation:

Given number :

Rationalising factor is the number which when multiplied with given number removes all surds.

i got the answer .

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Answer 2

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solution=>

$= \sqrt[7]{x {}^{3}y {}^{5}z {}^{2} } \\ \\ =( x {}^{3} ) {}^{ \frac{1}{7} } (y {}^{5} ) {}^{ \frac{1}{7} } (z {}^{2} ) {}^{ \frac{1}{7} } \\ \\ = x {}^{3 \times \frac{1}{7} }y {}^{5 \times \frac{1}{7} }z {}^{2 \frac{1}{ \frac{1}{7} } } \\ \\ = x {}^{ \frac{3}{7} } y {}^{ \frac{5}{7} } z {}^{ \frac{2}{7} }$

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formula uses

$= > \sqrt[a]{x} = x {}^{ \frac{1}{a} } \\ \\ = > (a {}^{m} ) {}^{n} = a {}^{m \times n}$

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I hope it helps you