Math, asked by naazsumaiya73, 7 months ago

find the sum of the first for first 14 multiples of tree

Answers

Answered by punnurashmi2006

1

Answer:

tree koi multiple nhi hota hai

Answered by likithc3654

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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