Question

Se A = x² + 1/5 qual e o valor de
A para x = 2/5

Answer 1

A = x² + 1/5   x = 2/5

A = (2/5²)+ 1/5

A  = 4/25/25 + 1/5/25

A = 4 + 6 / 5

A = 10 / 5

A = 2