Plz need help
Let a and b be real numbers such that a^3 + 3ab^2 = 679 and a^3 - 3ab^2 = 673. Find a - b.
2a^3=1352. a=26^2/3
1352x^2=6, x=sqrt(3/26) or its negative.
a-b=8.44 or 9.12
