Question

What is the solution set for the equation x2/3 + x1/3-2=0 ?
(a){-8, 1}
(b) { 8,1}
(c){- 8 - 1}
(d){8,-1}​

Answer 1

Answer:

Put x^1/3 = t t^2 + t - 2 = 0 (t + 2)(t - 1) = 0 t = 1, t = - 2 x^ 13 = 1, x^1/3 = - 2 x = 1, x = - 8 .

Answer 2

Answer:

x2/3+x1/3−2= 0 is. A. {8,1}. B. {8,−1}. C. {−8,−1}. D. {−8,1}. Answer. Correct option is. D. {−8,1} ...