Advertisements
Advertisements
प्रश्न
By what number should 5−1 be multiplied so that the product may be equal to (−7)−1?
Advertisements
उत्तर
Expressing in fraction form, we get:
5−1 = 1/5 (using the property a−1 = 1/a)
and
(−7)−1 = −1/7 (using the property a−1 = 1/a).
We have to find a number x such that
`1/5x=(-1)/7`
Multiplying both sides by 5, we get: `x=-5/7`
Hence, 5−1 should be multiplied by −5/7 to obtain (−7)−1.
APPEARS IN
संबंधित प्रश्न
Evaluate.
`(1/2)^(-5)`
Find the value of `{((-2)/3)^(-2)}^2`
Express the following as a rational number of the form \[\frac{p}{q},\] where p and q are integers and q ≠ 0. (−4)−2
Express the following as a rational number of the form \[\frac{p}{q},\] where p and q are integers and q ≠ 0.
Simplify:
By what number should 5−1 be multiplied so that the product may be equal to (−7)−1?
Simplify:
For a non-zero rational number a, a7 ÷ a12 is equal to
