find the sum of multiples of 7 from 100 to 1000
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this is the required answer.
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hii mate
Step-by-step explanation:
105,112,119..................994
a=105
d=112-105 =7
a(n)=994
a+(n-1)=994
105+(n-1)=994
105+7n-7=994
98+7n-7=994
7n=994-98
7n=896
n=896/7
n=128
These in progressions bro
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