which term of the AP :121,117,113.... is its negative term
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given
ap 121,117,113.....
a=121
d=117-121=-4
now
an <0
a+(n-1)d <0
121+(n-1)(-4)<0
n-1 <-121/-4
n-1 <30.25
n <31.25
since the nearest small whole number than 31.25 is 31
therefore 31st term is the first negative term
If it proves helpful pls mark the brainliest
ap 121,117,113.....
a=121
d=117-121=-4
now
an <0
a+(n-1)d <0
121+(n-1)(-4)<0
n-1 <-121/-4
n-1 <30.25
n <31.25
since the nearest small whole number than 31.25 is 31
therefore 31st term is the first negative term
If it proves helpful pls mark the brainliest
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