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f(x)= Tidak diketahui
g(x)=x³-3x+5⇒pembagi
f modulo g =3x²-2
Maka:
[x²+f]² mod g
={x⁴+2x³.[f mod g] + [ (f modulo g)² . modulo g ] } modulo g
= { x⁴ + 2 x² (3x² - 2) + [ (3x² - 2)² modulo g] } modulo g
= { 7 x⁴ - 4 x² + [ (9x⁴ - 12 x² + 4) modulo g] } modulo g
= { 16 x⁴ - 16 x² + 4 } modulo g
= 32 x² - 80 x + 4
= a x² + b x + c ....
Bandingkan koefisien : a = 32, b = - 80, c = 4
⇒a + b + c = - 44.
O_O