Question

Divide (y^3 -1) by ( y-1)​

Answer 1

Answer:

we know

${y}^{3} - 1 = (y - 1)( {y}^{2} + 1 + y) \\ so \frac{ {y}^{3} - 1}{y - 1} = {y}^{2} + 1 + y$