Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 9th
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Find the value of 9-32 - Mathematics

Sum

Find the value of `9^((-3)/2)`

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Solution

`9^((-3)/2) = (3^2)^((-3)/2)`

= `3^(2 xx (-3)/2)`

= 3−3
= `1/(3^3)`

= `1/27`

Concept: Fractional Index
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APPEARS IN

Samacheer Kalvi Mathematics Class 9th Tamil Nadu State Board
Chapter 2 Real Numbers
Exercise 2.5 | Q 3. (iii) | Page 59
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