find the sum of the first for first 14 multiples of tree
Answers
Answered by
1
Answer:
tree koi multiple nhi hota hai
Answered by
1
Answer:
315
Step-by-step explanation:
The A.P that can be formed is 3,6,9..........42.
sum of first 14 multiples is
S14= 14/2×(3+42). { n/2 × ( a+an)
= 7×45
=315.
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