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Evaluate the following: (243)^(1/5) - Mathematics

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Question

Evaluate the following:

`(243)^(1/5)`

Evaluate
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Solution

Given: `(243)^(1/5)`

Step-wise calculation:

1. Express 243 as a power of a prime number:

243 = 35

2. Substitute into the expression:

`(243)^(1/5) = (3^5)^(1/5)`

3. Apply the power of a power property (am)n = am × n:

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

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

4. Simplify:

31 = 3

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Chapter 6: Indices/Exponents - Exercise 6B [Page 131]

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Nootan Mathematics [English] Class 9 ICSE
Chapter 6 Indices/Exponents
Exercise 6B | Q 1. (i) | Page 131
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