Question

Let Tᵣ and Sᵣ be the rᵗh term and sum up to rᵗh term of a series respectively. If for an odd number n, Sₙ=n and Tₙ=Tₙ−1/n² then Tₘ (m being even)is
A) 2/1+m²
B) 2m²/2+m²
C) (m+1)²/1+m²
D) 2(m+1)²/2+m²+2m