Question

do it please
I will mark as brainliest​

Answer 1

Answer:

don't know please mark it as brainlist answer

Answer 2

Here,

Sq is the sum of first q terms

S1 is the sum of 1 term

a1 and a are the first term

S2 is the sum of first 2 terms

a2 is the second term

d is the common difference

ap is the pth term

a11 is the 11th term

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HOPE IT WILL HELP YOU.