loujine loujine

23-12-2020
Mathematics

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(arb)4 = 81r24
where a and b are positive integers. Work out a and b.

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Аноним Аноним

23-12-2020

Step-by-step explanation:

(arb)4 = 81r24

a4r4b = 81r24

a4 = 81

a = 4√81

a = 3

r4b = r24

4b = 24

b = 6

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