\(3^5\cdot9^{-1}\) का मान क्या है?
What is the value of \(3^5\cdot9^{-1}\)?
Explanation opens after your attempt
B. (27)
Concept
(9^{-1}=\(3^2\)^{-1}=3^{-2}). Hence \(3^5\cdot3^{-2}=3^3=27\).
Why this answer is correct
The correct answer is B. (27). (9^{-1}=\(3^2\)^{-1}=3^{-2}). Hence \(3^5\cdot3^{-2}=3^3=27\).
Exam Tip
(9^{-1}=\(3^2\)^{-1}=3^{-2}) है। इसलिए \(3^5\cdot3^{-2}=3^3=27\) है।
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