Advertisements
Advertisements
प्रश्न
`((-7)/5)^-1` is equal to ______.
विकल्प
`5/7`
`-5/7`
`7/5`
`(-7)/5`
Advertisements
उत्तर
`((-7)/5)^-1` is equal to `underlinebb(- 5/7)`.
Explanation:
Using law of exponents,
`a^-m = 1/a^m` ...[∵ a is non-zero integer]
∴ `((-7)/5)^-1 = 1/(((-7)/5)) = (- 5/7)`
APPEARS IN
संबंधित प्रश्न
If x be any non-zero integer and m, n be negative integers, then xm × xn is equal to ______.
Which of the following is equal to `(- 3/4)^-3`?
The value of [2–1 × 3–1]–1 is ______.
By what number should we multiply (–29)0 so that the product becomes (+29)0.
Find the multiplicative inverse of (–7)–2 ÷ (90)–1.
If `5^(3x - 1) ÷ 25 = 125`, find the value of x.
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.
Find a single repeater machine that will do the same work as hook-up.
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.
