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ICSE Class 8 Answered

(729÷4096)^-1/3
Asked by Koushikmitra384.km | 19 Mar, 2019, 08:10: AM
answered-by-expert Expert Answer
begin mathsize 12px style L e t space space x space space equals space open parentheses 729 over 4096 close parentheses to the power of negative bevelled 1 third end exponent space equals space open parentheses 4096 over 729 close parentheses to the power of bevelled 1 third end exponent 4096 space equals space 4 cross times 1024 space equals space 4 cross times 4 cross times 256 space equals space 16 cross times 16 cross times 16 space equals space 16 cubed 729 space equals space 3 cross times 243 space equals space 3 cross times 3 cross times 81 space equals space 9 cross times 9 cross times 9 space equals space 9 cubed x equals space open parentheses 16 cubed over 9 cubed close parentheses to the power of bevelled 1 third end exponent space equals space 16 over 9 end style
Answered by Thiyagarajan K | 19 Mar, 2019, 08:47: AM

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