Question

Tolong dibantu yg bagian c, bsok udah dikumpul

Answer 1

Perlu diingat bahwa f(a) = s(a)

f(x) = x^3 + px^2 - x + 1

substitusikan x = 2

f(2) = 2^3 + p.2^2 - 2 + 1
19 = 8 + 4p - 2 + 1
19 = 4p + 7
4p = 12
p = 3

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