Advertisements
Advertisements
प्रश्न
If x be any non-zero integer, then x–1 is equal to ______.
विकल्प
x
`1/x`
– x
`(-1)/x`
Advertisements
उत्तर
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
संबंधित प्रश्न
Find the value of 2–3.
Simplify and write the answer in the exponential form.
The value of `(1/2^3)^2` is equal to ______.
(–4)–4 × (4)–1 = (4)5
am × bm = (ab)m
By what number should `((-3)/2)^-3` be divided so that the quotient may be `(4/27)^-2`?
A new born bear weighs 4 kg. How many kilograms might a five year old bear weigh if its weight increases by the power of 2 in 5 years?
The cells of a bacteria double in every 30 minutes. A scientist begins with a single cell. How many cells will be there after 24 hours?
Consider a quantity of a radioactive substance. The fraction of this quantity that remains after t half-lives can be found by using the expression 3–t. What fraction of substance remains after 7 half-lives?
The diameter of the Sun is 1.4 × 109 m and the diameter of the Earth is 1.2756 × 107 m. Compare their diameters by division.
