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Simplify and Express as Positive Indice: - Mathematics

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Question

Simplify and express as positive indice;

`[(125"a"^-3)/"y"^6]^(-1/3)`

Sum

Solution

`[(125"a"^-3)/"y"^6]^(-1/3)=[(5^3"a"^-3)/"y"^6]^(-1/3)`

`=(5^(3xx(-1)/3)."a"^(-3xx(-1)/3))/"y"^(6xx(-1)/3)`

`=(5^-1."a"^1)/"y"^-2`

`=(a.y^2)/5`

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Law of Exponents (For Integral Powers)
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Chapter 2: Exponents - Exercise 2 (B) [Page 34]

APPEARS IN

Selina Concise Mathematics [English] Class 8 ICSE
Chapter 2 Exponents
Exercise 2 (B) | Q 7.3 | Page 34
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