Advertisements
Advertisements
प्रश्न
For a non zero rational number a, (a3)−2 is equal to
विकल्प
a9
a−6
a−9
a1
Advertisements
उत्तर
a−6
We have:
`(a^3)^(-2)=a^3xx(-2)` → ((am)n = am x n)
`=a^(-6)`
APPEARS IN
संबंधित प्रश्न
Express the following as a rational number of the form \[\frac{p}{q},\] where p and q are integers and q ≠ 0.
Find the value of the following:
(30 + 4−1) × 22
Simplify:
\[\left( 3^{- 1} \times 4^{- 1} \right)^{- 1} \times 5^{- 1}\]
By what number should (−15)−1 be divided so that the quotient may be equal to (−5)−1?
Simplify:
Express the following rational numbers with a positive exponent:
Which of the following is not reciprocal of \[\left( \frac{2}{3} \right)^4 ?\]
Evaluate.
`(8^(-1)xx5^(3))/2^(-4)`
Find the multiplicative inverse of the following.
10– 5
The cells of a bacteria double itself every hour. How many cells will there be after 8 hours, if initially we start with 1 cell. Express the answer in powers.
