Advertisements
Advertisements
प्रश्न
Find the value of the following:
3−1 + 4−1
बेरीज
Advertisements
उत्तर
We know from the property of powers that for every natural number a, a−1 = 1/a. Then:
`3^(-1)+4^(-1)=1/3+1/4` `->(a^(-1)=1/a)`
=`(4+3)/12`
`=7/12`
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Evaluate.
3−2
Evaluate.
(−4)−2
Find the value of m for which 5m ÷5−3 = 55.
Express the following as a rational number of the form \[\frac{p}{q},\] where p and q are integers and q ≠ 0.
\[\frac{1}{3^{- 2}}\]
Express the following as a rational number of the form \[\frac{p}{q},\] where p and q are integers and q ≠ 0.
\[\left( \frac{2}{3} \right)^{- 2}\]
Find the value of the following:
(2−1 × 4−1) ÷ 2−2
Simplify:
\[\left( 3^2 - 2^2 \right) \times \left( \frac{2}{3} \right)^{- 3}\]
\[\left\{ \left( \frac{1}{3} \right)^2 \right\}^4\] is equal to
Find the value of (2−1 × 4−1) ÷2−2.
Expand the following numbers using exponents.
1256.249
