Question

if the sum of nth terms of an AP is 3n2+5n find its common difference​

Answer 1

Answer:

remove all the alphabets and add all numbers one by one OK

Step-by-step explanation:

3n2+5n

n+n=2n=3+2+5

2n =10

n=10/2=5

the overall answer is 5

this is my answer

"please mark as brilient"