Advertisements
Advertisements
Question
If x be any non-zero integer, then x–1 is equal to ______.
Options
x
`1/x`
– x
`(-1)/x`
Advertisements
Solution
If x be any non-zero integer, then x–1 is equal to `underlinebb(1/x)`.
Explanation:
Using law of exponents,
`a^-m = 1/a^m` ...[∵ a is non-zero integer]
Similarly, `x^-1 = 1/x`
APPEARS IN
RELATED QUESTIONS
For a non-zero rational number z, (z–2)3 is equal to ______.
The value of [1–2 + 2–2 + 3–2 ] × 62 is ______.
Find the product of the cube of (–2) and the square of (+4).
Planet A is at a distance of 9.35 × 106 km from Earth and planet B is 6.27 × 107 km from Earth. Which planet is nearer to Earth?
In a repeater machine with 0 as an exponent, the base machine is applied 0 times. What do you think the value of 60 is?
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 a single repeater machine that will do the same work as hook-up.
Find x.
23x = 82x + 1
Find x.
5x + 5x – 1 = 750
Simplify:
`((3^-2)^2 xx (5^2)^-3 xx (t^-3)^2)/((3^-2)^5 xx (5^3)^-2 xx (t^-4)^3`
