Question

Dada a função f(x) x² -6x + 5 calcule F(1) + F (√ 3) + F(5) :

Answer 1

f(x) = x²-6x+5
f(1) = 1² - 6.1+5 = 1 - 6 + 5 = -5+5 = 0
f(\/3) = (\/3)² - 6\/3+5 = 3 - 6\/3 + 5 = 8 - 6\/3
f(5) = 5² - 6.5 + 5 = 25 - 30 + 5 = -5+5 =0