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Simplify: (2⁢𝑥^−3)^4 ⁢(𝑥^8)^3/2 - Mathematics

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Question

Simplify:

`(2x^-3)^4 (x^8)^(3/2)`

Simplify
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Solution

Let’s simplify:

`(2x^-3)^4 * (x^8)^(3/2)`

Step 1: Apply the power rule: `(ab)^n = a^nb^n and (x^m)^n = x^(mn)`

  • `(2x^-3)^4 = 2^4 * x^(-3 - 4) = 16x^(-12)`
  • `(x^8)^(3/2) = x^(8 * 3/2) = x^12`

Step 2: Multiply both expressions:

`16x^-12 * x^12`

= `16x^(-12 + 12)`

= `16x^0`

= 16

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Chapter 6: Indices - MISCELLANEOUS EXERCISE [Page 69]

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B Nirmala Shastry Mathematics [English] Class 9 ICSE
Chapter 6 Indices
MISCELLANEOUS EXERCISE | Q 3. (iii) | Page 69
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