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Simplify : Root(5)(16) Xx Root(5)(2) - Mathematics

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Question

Simplify : `root(4)(243)/root(4)(3)`

Sum

Solution

`root(4)(243)/root(4)(3)`

= `root(4)(3^5)/root(4)(3)`

= `3^( 5 xx 1/4 )/ 3^(1/4)`

= `3^( 5/4 )/ 3^(1/4)`

= `3^(5/4 - 1/4)`

= `3^(4/4)`
= `3^1`
= 3

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Chapter 1: Rational and Irrational Numbers - Exercise 1 (B) [Page 14]

APPEARS IN

Selina Concise Mathematics [English] Class 9 ICSE
Chapter 1 Rational and Irrational Numbers
Exercise 1 (B) | Q 20.2 | Page 14
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