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प्रश्न
If a = – 1, b = 2, then find the value of the following:
ab ÷ ba
बेरीज
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उत्तर
Given, ab ÷ ba
If a = –1 and b = 2,
Then (–1)2 ÷ (2)–1 ...`[∵ a^-m = 1/a^m]`
= `1 ÷ 1/2^1`
= 1 × 2
= 2
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पाठ 8: Exponents and Powers - Exercise [पृष्ठ २७४]
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संबंधित प्रश्न
Find the value of `1/(3^(-2))`.
If x be any integer different from zero and m be any positive integer, then x–m is equal to ______.
`(3/4)^5 ÷ (5/3)^5` is equal to ______.
For a non-zero rational number z, (z–2)3 is equal to ______.
Find the value [4–1 + 3–1 + 6–2]–1 = ______.
On multiplying ______ by 2–5 we get 25.
`x^m/y^m = (y/x)^-m`
`(125 xx x^-3)/(5^-3 xx 25 xx x^-6)`
If a = – 1, b = 2, then find the value of the following:
ab + ba
Simplify:
`((3^-2)^2 xx (5^2)^-3 xx (t^-3)^2)/((3^-2)^5 xx (5^3)^-2 xx (t^-4)^3`
