Advertisements
Advertisements
प्रश्न
Cube of `-1/2` is ______.
विकल्प
`1/8`
`1/16`
`-1/8`
`-1/16`
Advertisements
उत्तर
Cube of `-1/2` is `underlinebb(-1/8)`.
Explanation:
Cube of a is (a)3 = a × a × a
Similarly, `(-1/2)^3 = ((-1)/2) xx ((-1)/2) xx ((-1)/2) = (-1/8)` ...[For (– a)m, if m is odd, then (– a)m is negative]
APPEARS IN
संबंधित प्रश्न
Find the value of 2–3.
The value of `(2/5)^-2` is ______.
`((-7)/5)^-1` is equal to ______.
On multiplying ______ by 2–5 we get 25.
50 = 5
Simplify:
(25 ÷ 28) × 2–7
An insect is on the 0 point of a number line, hopping towards 1. She covers half the distance from her current location to 1 with each hop. So, she will be at `1/2` after one hop, `3/4` after two hops, and so on.
Where will the insect be after n hops?
Find a single machine that will do the same job as the given hook-up.
a (× 599) machine followed by a (5–100) machine.
Find x.
`(- 1/7)^-5 ÷ (- 1/7)^-7 = (-7)^x`
Simplify:
`(1/5)^45 xx (1/5)^-60 - (1/5)^(+28) xx (1/5)^-43`
