The sum of first n terms of an AP is (2n² - n) then 2nd term of AP will be *
Answers
Answered by
2
Answer:
The sum of first n terms of an AP is (2n² - n) then 2nd term of AP will be 5
Step-by-step explanation:
Given that, sum of first n terms of an AP is 2n² - n.
So,
We know,
So, on substituting n = 2, we get
Hence, The sum of first n terms of an AP is (2n² - n) then 2nd term of AP will be 5
Additional Information
↝ nᵗʰ term of an arithmetic progression is,
↝ Sum of n terms of an arithmetic progression is,
Wʜᴇʀᴇ,
a is the first term of the progression.
n is the no. of terms.
d is the common difference.
Similar questions