1.

81^(-1/4)/81^(1/4)

Answer»

(81)^-1/4 ÷ (81)^1/4

= 1/(3)^4*1/4 ÷ (3)^4*1/4

= 1/3 ÷ 3

= 1/3 * 1/3

= 1/9

thanks aunty



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