which term of an ap 121,117,113...... is its 1st- term
Answers
Answered by
1
d=117-121= -4
an=1
a=121
an=a+(n-1)d
1= 121 + (n-1)-4
1-121= -4n +4
-120-4 = -4n
-124 = -4n
-124/-4 = n
31=n
it's means the first negative number come in 31 term
an=1
a=121
an=a+(n-1)d
1= 121 + (n-1)-4
1-121= -4n +4
-120-4 = -4n
-124 = -4n
-124/-4 = n
31=n
it's means the first negative number come in 31 term
aru03:
answer is wrong
Answered by
0
d=117-121= -4
an=1
a=121
an=a+(n-1)d
1= 121 + (n-1)-4
1-121= -4n +4
-120-4 = -4n
-124 = -4n
-124/-4 = n
31=n
HOPE IT HELPS
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