Jawaban:
a=27
b=U2-U1
=23-27
=-4
UN=a+(n-1)b
un=27+(n-1)-4
un=27+(-4n-(-4)
un=27+4-4n
un=31-4n
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Jawaban:
a=27
b=U2-U1
=23-27
=-4
UN=a+(n-1)b
un=27+(n-1)-4
un=27+(-4n-(-4)
un=27+4-4n
un=31-4n