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प्रश्न
Simplify and express as positive indice:
`("x"^"n""y"^-"m")^4xx("x"^3"y"^-2)^-"n"`
बेरीज
उत्तर
`("x"^"n""y"^-"m")^4xx("x"^3"y"^-2)^-"n"`
`="x"^(4"n")"y"^(-4"m")xx"x"^(-3"n")"y"^(2"n")`
`="x"^(4"n"-3"n")."y"^(-4"m"+2"n")`
`="x"^"n""y"^(-4"m"+2"n")`
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Law of Exponents (For Integral Powers)
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