which term of AP 100,90,80....is 0
Answers
Answered by
5
a1=100
d=a2-a1
d=90-100=-10
an=0
0=a+(n-1)d
0=100+(n-1)-10
-100=-10n+10
-10n=-110
n=11..
d=a2-a1
d=90-100=-10
an=0
0=a+(n-1)d
0=100+(n-1)-10
-100=-10n+10
-10n=-110
n=11..
Answered by
4
a1= 100
d= a2 - a1
90-100
-10=d
a+3d= 100+3(-10)
= 100-30
=70
a+10d = 100+ 10(-10)
=100-100
=0 ..
so therefore .. 11th term is 0
d= a2 - a1
90-100
-10=d
a+3d= 100+3(-10)
= 100-30
=70
a+10d = 100+ 10(-10)
=100-100
=0 ..
so therefore .. 11th term is 0
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