Advertisements
Advertisements
Question
Evaluate:
\[\left( \frac{- 1}{2} \right)^{- 1}\]
Sum
Solution
\[\left( \frac{- 1}{2} \right)^{- 1} = \left( \frac{1}{- 1/2} \right)\] → (a−1 = 1/(a))
= -2
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Evaluate.
`{(1/3)^(-1) - (1/4)^(-1)}^(-1)`
Simplify:
\[\left( 2^2 + 3^2 - 4^2 \right) \div \left( \frac{3}{2} \right)^2\]
By what number should (−15)−1 be divided so that the quotient may be equal to (−5)−1?
Simplify:
\[\left( 4^{- 1} - 5^{- 1} \right) \div 3^{- 1}\]
Simplify:
\[\left[ \left\{ \left( \frac{- 1}{4} \right)^2 \right\}^{- 2} \right]^{- 1}\]
Find x, if \[\left( \frac{1}{4} \right)^{- 4} \times \left( \frac{1}{4} \right)^{- 8} = \left( \frac{1}{4} \right)^{- 4x}\]
For any two non-zero rational numbers a and b, a4 ÷ b4 is equal to
Find the value of (2−1 × 4−1) ÷2−2.
The expression for 4–3 as a power with the base 2 is 26.
Simplify and express the result in power notation with positive exponent.
(3−7 ÷ 3−10) × 3−5
