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
= `1 xx 1/2` ...`[∵ a^-m = 1/a^m]`
= `1/2`
APPEARS IN
संबंधित प्रश्न
Find the value of 2–3.
Simplify :
(– 4)5 × (– 4)-10
If x be any integer different from zero and m, n be any integers, then (xm)n is equal to ______.
By multiplying (10)5 by (10)–10 we get ______.
The value of [2–1 × 3–1]–1 is ______.
By solving (60 – 70) × (60 + 70) we get ______.
The value of [1–2 + 2–2 + 3–2 ] × 62 is ______.
An electron’s mass is approximately 9.1093826 × 10–31 kilograms. What is this mass in grams?
In a repeater machine with 0 as an exponent, the base machine is applied 0 times. What do these machines do to a piece of chalk?
For hook-up, determine whether there is a single repeater machine that will do the same work. If so, describe or draw it.
