Question

What is the sum of the first 10 terms of 1, 7, 13, 19, 25,..?

Answer 1

Answer:

Using our example, consider the sum: 1+7+13 +19+25+31+37+43. This sum can be found quickly by taking the number n of terms being

Answer 2

logic is add 6

Step-by-step explanation:

7+13+19+25+31+37+43+49+55+61

68+68+68+68+68

=  340