find the 60th term of an ap 8 10 12 if it has the total of 60 terms find the sum of its last n terms
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60 th term=a+(n-1)d
a is first term
d=difference of terms
term=8+(60-1)*2
60 th term=126
sum of n terms formula=n(n+1)/2
a is first term
d=difference of terms
term=8+(60-1)*2
60 th term=126
sum of n terms formula=n(n+1)/2
dinesh9765:
is your answer correct
Ya it is absolutely correct
Thank you soo much
Answered by
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I wish you understand
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chutiye galat hai
end mein 10 terms ka poocha hai toh ( n= 60) kaise le rha hai
a 126 le
d - 2 le
ur supposed to find the sum of the last ten terms of the A.P.!
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