Question

1 Write the first five term of the sequence defined by an = n2 + 1.
Please note- I is not 2n,it is n square

Answer 1

$a_{n} = n^2 + 1$

for first term n= 1

$a_1 = 1^2 + 1 == 2\\a_2 = 2^2 + 1== 5\\a_3 = 3^ 2 +1 == 10\\a _4 = 4 ^2 + 1 == 17\\a_5 = 5^2 + 1 == 26$

Hope it helps!!!

Thanks

Answer 2

$a1 = 2 \\ a2 = 5 \\ a3 = 10 \\ a4 = 17 \\ a5 = 26$