Advertisements
Advertisements
Question
Simplify:
\[\left( 4^{- 1} - 5^{- 1} \right) \div 3^{- 1}\]
Sum
Solution
\[\left( 4^{- 1} - 5^{- 1} \right) \div 3^{- 1}\] `=(1/4-1/5)div1/3` → (a−1 = 1/a)
`=((5-4)/20)xx3`
\[= \frac{1}{20} \times 3\]
\[= \frac{3}{20}\]
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Simplify and express the result in power notation with positive exponent.
`(1/2^3)^2`
Find the value of `{((-2)/3)^(-2)}^2`
Find the value of m for which 5m ÷5−3 = 55.
Evaluate.
`(5/8)^(-7) xx (8/5)^(-4)`
Express the following as a rational number of the form \[\frac{p}{q},\] where p and q are integers and q ≠ 0.
2−3
Find x, if
\[\left( \frac{3}{2} \right)^{- 3} \times \left( \frac{3}{2} \right)^5 = \left( \frac{3}{2} \right)^{2x + 1}\]
Cube of \[\frac{- 1}{2}\] is
Expand the following numbers using exponents.
1025.63
The multiplicative inverse of 10–100 is ______.
Simplify and express the result in power notation with positive exponent.
2−3 × (−7)−3
