Question

Find the sum of 6 and 7 in number 633075​

Answer 1

Explanation:

Clearly, the first seven numbers which are multiples of 2, as well as 9, are 18,36,54.126.

This is an AP with first term a=18 and last term l=126.

Let S

n

Answer 2

Answer:

here is the answer

Explanation:

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