is sqrt3(21)^4 -= to (21)^4/3

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Guest Oct 8, 2014

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Best Answer

I think we have

( ³√21 )⁴ =

[(21)^1/3 ]⁴ and using the law of exponents (a^m)ⁿ = a^m*n ....we have.....

21^4/3 which equals the right hand side

CPhill Oct 8, 2014

CPhill · Answer 1 · 2014-10-08T10:31:37

I think we have

( ³√21 )⁴ =

[(21)^1/3 ]⁴ and using the law of exponents (a^m)ⁿ = a^m*n ....we have.....

21^4/3 which equals the right hand side