Question

Find the value of x²-1/5 at x-1

Answer 1

Step-by-step explanation:

x-1= 0

x= 1

${x}^{2} - \frac{1}{5} \\ = {1}^{2} - \frac{1}{15} \\ = 1 - \frac{1}{15} \\ = \frac{15 - 1}{15} \\ = \frac{14}{15}$