<u>Arithmetic progression</u>.
By this we can find the <u>common difference</u><u> </u>(d)and <u>sum of the series upto n terms</u> (Sn) and even <u>any particular number of the series</u>(Tn).
Answer:
Step-by-step explanation
√144²
12²
144
√9 + √16
3 + 4
7
√9 + √16 × √400 =
3 + 2^{4} x 5
3 + 80
83
d
Step-by-step explanation:
b
b because it say's 1/5 and 7 it do not say negative so yea
