Advertisements
Advertisements
प्रश्न
If x be any integer different from zero and m be any positive integer, then x–m is equal to ______.
पर्याय
xm
–xm
`1/x^m`
`(-1)/x^m`
उत्तर
If x be any integer different from zero and m be any positive integer, then x–m is equal to `underlinebb(1/x^m)`.
Explanation:
Using law of exponents, `a^-m = 1/a^m` ...[∵ A is non-zero integer]
Similarly, `x^-m = 1/x^m`
APPEARS IN
संबंधित प्रश्न
Simplify :
(– 4)5 × (– 4)-10
Simplify and write the answer in the exponential form.
`(- 3)^4 xx (5/3)^4`
The value of [1–2 + 2–2 + 3–2 ] × 62 is ______.
am × bm = (ab)m
By what number should `((-3)/2)^-3` be divided so that the quotient may be `(4/27)^-2`?
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.
An electron’s mass is approximately 9.1093826 × 10–31 kilograms. What is this mass in grams?
Find a single repeater machine that will do the same work as hook-up.
If possible, find a hook-up of prime base number machine that will do the same work as the given stretching machine. Do not use (× 1) machines.
