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प्रश्न
`(2/3)^3 xx (5/7)^3` is equal to ______.
विकल्प
`(2/3 xx 5/7)^9`
`(2/3 xx 5/7)^6`
`(2/3 xx 5/7)^3`
`(2/3 xx 5/7)^0`
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उत्तर
`(2/3)^3 xx (5/7)^3` is equal to `bb(underline((2/3 xx 5/7)^3)`.
Explanation:
We know that, if a, b and m are rational numbers, then am × bm = (ab)m
So, `(2/3)^3 xx (5/7)^3 = (2/3 xx 5/7)^3`
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