simplify [7(81)^1/4+(256)^1/4]^1/2
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Answer:
=16807
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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