Question

the algebraic form of an arithematic sequence is 4n+1 whats its first
term​

Answer 1

The sequence is 5 ,9,13.. Hence, the first term is 5. => d = 4

__________________________________

The general form is 4n+1

Let n=1,2,3,4……

Therefore, The first 4 terms are,

A1= 4(1)+1 = 4+1 =5

A2= 4(2)+1 =9

A3= 4(3)+1 =13

A4= 4(4)+1 =17.