someone please help me to solve this..!
Find the minimum number of terms that must be taken from the sequence 3, 5, 7, 9...so that the sum is at least 440.
TQ..
find the minimum number of terms that must be taken from the sequence 3, 5, 7, 9,...so the sum is at least 440.
we are given this formula to solve the question..
s=n/2 [2a+(n-1)d]
where,
s=sum of the first n term,
n=number of term,
a=first term,
d=common difference.
the question ask to find the value of n..
some one out there please help me..