book Maths Puzzle Numerical Ability

Find all the solutions of the equation. Check your soulutions in the original equation.

x^4-x^3+x-1=0

Read Solution (Total 0)

book Other Question

Problem: 2c divided by 3b, where b = 4 and c = 6. I say the answer is 1, the text I was using shows the answer as 16? I believe it to be a misprint. What is the correct answer? If n and x are real numbers and x=0, then x^-n = ________________________.