Find the sum of 2,7,12,..........12th term in m.l.agrawal
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Answered by
2
Hey buddy! Here's your answer!
a = 2
d = 5
n = 12
Sum = n/2*[2a + d(n - 1)]
= 12/2*[2(2) + 5(11)]
= 6*[4 + 55]
= 6*59
Sum = 354
Hope this helps! :)
AccioNerd:
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Answered by
1
hiii☺️☺️☺️
hope this help you
we have
a=2
d=7-2=5
n=12
sum =??
sum =12/2(2a+(n-1)d)
sum=6*(2(2)+(12-1)(5))
sum= 6* (4+(11)(5))
sum= 6*(59)
sum=6*59= 354
mark.me brain list
hope this help you
we have
a=2
d=7-2=5
n=12
sum =??
sum =12/2(2a+(n-1)d)
sum=6*(2(2)+(12-1)(5))
sum= 6* (4+(11)(5))
sum= 6*(59)
sum=6*59= 354
mark.me brain list
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