Advertisements
Advertisements
प्रश्न
Evaluate.
`(1/2)^(-5)`
मूल्यांकन
Advertisements
उत्तर
`(1/2)^(-5) = (2/1)^5` ...`[∵ (1/b)^-m = (b/a)^m]`
= `(2 xx2 xx 2xx2xx 2)/(1 xx 1xx 1xx 1xx1)`
= `32/1`
= 32
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Exponents and Powers - EXERCISE 10.1 [पृष्ठ १२५]
APPEARS IN
संबंधित प्रश्न
Evaluate.
(−4)−2
Find the value of the following:
\[\left( \frac{1}{2} \right)^{- 1} + \left( \frac{1}{3} \right)^{- 1} + \left( \frac{1}{4} \right)^{- 1}\]
Write the following in exponential form:
\[\left( \frac{3}{2} \right)^{- 1} \times \left( \frac{3}{2} \right)^{- 1} \times \left( \frac{3}{2} \right)^{- 1} \times \left( \frac{3}{2} \right)^{- 1}\]
Express the following as a rational number in the form \[\frac{p}{q}:\]
\[( - 4 )^{- 1} \times \left( \frac{- 3}{2} \right)^{- 1}\]
Simplify:
\[\left\{ 5^{- 1} \div 6^{- 1} \right\}^3\]
Express the following rational numbers with a positive exponent:
\[\left\{ \left( \frac{4}{3} \right)^{- 3} \right\}^{- 4}\]
Find x, if
\[\left( \frac{5}{4} \right)^{- x} \div \left( \frac{5}{4} \right)^{- 4} = \left( \frac{5}{4} \right)^5\]
\[\left( \frac{- 2}{5} \right)^7 \div \left( \frac{- 2}{5} \right)^5\] is equal to
For any two rational numbers a and b, a5 × b5 is equal to
Find the multiplicative inverse of the following.
10– 5
