Advertisements
Advertisements
प्रश्न
The reciprocal of `(2/5)^-1` is ______.
विकल्प
`2/5`
`5/2`
`- 5/2`
` - 2/5`
Advertisements
उत्तर
The reciprocal of `(2/5)^-1` is `underlinebb(5/2)`.
Explanation:
Using law of exponents,
`a^-m = 1/a^m` ...[∵ a is non-zero integer]
∴ `(2/5)^-1 = 1/(2/5)^1 = 5/2`
APPEARS IN
संबंधित प्रश्न
`(1/10)^0` is equal to ______.
55 × 5–5 = ______.
On dividing 85 by ______ we get 8.
Find the value of x–3 if x = (100)1 – 4 ÷ (100)0.
`(125 xx x^-3)/(5^-3 xx 25 xx x^-6)`
Find a single repeater machine that will do the same work as hook-up.
For hook-up, determine whether there is a single repeater machine that will do the same work. If so, describe or draw it.
Supply the missing information for diagram.
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.
By what number should (–8)–3 be multiplied so that the product may be equal to (–6)–3?
