Tolong dijawab pakai cara,,,hari ini di kumpul

By Admin ReiPosted on December 1, 2022

Tolong dijawab pakai cara,,,hari ini di kumpul

$f( - 1) = a( - 1)^{2} - b( - 1) - 5 = 0 \ a + b - 5 = 0 \ a + b = 5 \ \ f(1) = a(1)^{2} - b(1) - 5 = - 6 \ a - b - 5 = - 6 \ a - b = - 1 \ \ a - b = - 1$