English

Simplify: (๐‘ฅ^2โˆ’3โข๐‘› โ‹… ๐‘ฅ^4+3โข๐‘›/๐‘ฅ^3)^2 - Mathematics

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Question

Simplify:

`((x^(2 - 3n) * x^(4 + 3n))/x^3)^2`

Simplify
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Solution

We are asked to simplify:

`((x^((2 - 3n)) * x^((4 + 3n)))/x^3)^2`

Step 1: Combine exponents in numerator

`x^((2 - 3n)) * x^((4 + 3n)) = x^((2 - 3n + 4 + 3n)) = x^6`

Step 2: Divide by denominator

`x^6/x^3 = x^(6 - 3) = x^3`

Step 3: Apply the square

`(x^3)^2 = x^(3*2) = x^6`

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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 1. (iv) | Page 69
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