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(ar^(b))^(4)=81r^(24 ) work out a and b

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Answer: a = 3; b = 6


(ar^(b))^(4)=81r^(24)\\\\<=>a^(4).r^(4b)=3^(4).r^(24)\\\\\\=>\left \{ {{a=3} \atop {4b=24}} \right.\\\\\\<=>\left \{ {{a=3} \atop {b=6}} \right.

Explanation:

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