the sum of the first 5 term of an ap is 50 and that of next 3 is 66 find the progression
Answers
Answered by
2
let the number of AP be
a-2c , a-c ,a , a+c ,a+2c..
their sum is 50 which means
5a =50
a=10
while the sum of next three is 66
so
a+3c+a+4c+a+5c =66
3a+12c=66
30+12c=66
12c=36
c=3
therefore the common difference is 3
a-2c , a-c ,a , a+c ,a+2c..
their sum is 50 which means
5a =50
a=10
while the sum of next three is 66
so
a+3c+a+4c+a+5c =66
3a+12c=66
30+12c=66
12c=36
c=3
therefore the common difference is 3
AnanyaSrivastava999:
mrk me as brainliest
Similar questions