Question

If 2^1/3+4^1/3 =x then x^3-6x =?

Answer 1

Answer:

Step-by-step explanation:

If x=2+2^2/3+2^1/3 what is thevalue of x^3-6x^2+6x? Hence the value is -8.

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Answer 2

Answer:

x=2⅓+4⅓

x=2⅓+2⅔

x³=(2⅓+2⅔) ³=2+2²+3*2⅓*2⅔(2⅓+2⅔)

=6+3*2¹(x)

x³-6x=6