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dik: a=6
b=-1
dit: a^3 +2ab+b^2
jb:
= 6^3 + 2(6)(-1)+(-1)^2
=216+2(-6)+1
= 216-12+1
=204+1
=205
2.A)
dik : p= -1
q= 2
r= -3
jb: p^2- 2qr+3p
= (-1)^2-2(2(-3)+3(-1)
= 1-2(-6)+(-3)
= 1 + 12 -3
= 13-3
= 10