Which term of the Ap 100, 90,80 . ...is
Zero ?
Answers
Answered by
0
Answer:
an=0
a=100
d=90-100=-10
therefore
an=a+(n-1)d
0=100+(n-1)*(-10)
0=100-10n+10
0=110-10n
10n=110
n=11
Answered by
0
0=100+(n-1)(-10)
-10(n-1)=-100
n-1=10
n=11
-10(n-1)=-100
n-1=10
n=11
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