Question

x=(a+√a^2+b^3)^1/3+(a-√a^2+b^3)^1/3 find x^3+3bx-2a

Answer 1

Answer:

In mathematics, a set A is a subset of a set B, or equivalently B is a superset of A, if A is contained in B. That is, all elements of A are also elements of B (note that A and B may be equal).