Advertisements
Advertisements
प्रश्न
If a = – 1, b = 2, then find the value of the following:
ab ÷ ba
Advertisements
उत्तर
Given, ab ÷ ba
If a = –1 and b = 2,
Then (–1)2 ÷ (2)–1 ...`[∵ a^-m = 1/a^m]`
= `1 ÷ 1/2^1`
= 1 × 2
= 2
APPEARS IN
संबंधित प्रश्न
Which of the following is equal to `(- 3/4)^-3`?
For any two non-zero rational numbers x and y, x4 ÷ y4 is equal to ______.
The value of `(1/2^3)^2` is equal to ______.
[2–1 + 3–1 + 4–1]0 = ______.
The value of [2–1 × 3–1]–1 is ______.
(–5)–2 × (–5)–3 = (–5)–6
Find the value of n.
`(2^n xx 2^6)/2^-3 = 2^18`
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.
Will the insect ever get to 1? Explain.
If a = – 1, b = 2, then find the value of the following:
ab × ba
Simplify:
`[(1/2)^2 - (1/4)^3]^-1 xx 2^-3`
