Question

prove that [7{(81)^1/4+(256)^1/4}^1/4]^4=16807​

Answer 1

HERE IS THE ANSWER

Step-by-step explanation:

[7(81^1/4 +256^1/4)^1/4]^4

=[7(3 + 4) ^1/4]^4

=[7(7)^1/4]^4

=[7^1+1/4]^4

=[7^5/4]^4

=7^5

=16807

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