Advertisements
Advertisements
प्रश्न
Find the value of x for which 52x ÷ 5−3 = 55.
बेरीज
Advertisements
उत्तर
We have:
`5^(2x)div5^(-3)=5^5`
`5^(2x+3)=5^5` `->a^mdiva^n=a^(m-n)`
2x + 3 = 5
2x = 2
x = 1
Hence, x is 1.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Evaluate.
`(1/2)^(-5)`
Simplify and express the result in power notation with positive exponent.
`(1/2^3)^2`
Find the value of (3−1 + 4−1 + 5−1)0
Simplify:
\[\left[ \left( \frac{1}{3} \right)^{- 3} - \left( \frac{1}{2} \right)^{- 3} \right] \div \left( \frac{1}{4} \right)^{- 3}\]
Simplify:
\[\left[ \left\{ \left( \frac{- 1}{4} \right)^2 \right\}^{- 2} \right]^{- 1}\]
Find x, if
\[\left( \frac{8}{3} \right)^{2x + 1} \times \left( \frac{8}{3} \right)^5 = \left( \frac{8}{3} \right)^{x + 2}\]
Which of the following is not equal to \[\left( \frac{- 3}{5} \right)^4 ?\]
Which of the following is not reciprocal of \[\left( \frac{2}{3} \right)^4 ?\]
Find the multiplicative inverse of the following.
2– 4
Find the multiplicative inverse of the following.
10– 100
