Question

find the sum of the first n terms of an ap whose n
term is given by An = 5 - 2n

Answer 1

let me know about answer

Answer 2

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◆HOLLA! MATE◆
◆HERE IS YOUR ANSWER◆
the term is given => an = 5-2n
first we will put the value of n be 1
◆An=5-2(1)
◆An=5-2=3
then, the first term of Ap is equal to a=3