AP EAMCET202422 May 2024Morning ShiftMathematicsDefinite IntegrationActual
_ n ( 1 n^2 + 1 n^2-1 + .+ 1 n^2-(n-1)^2 )=
Options
- A2
- B2
- C2
- D3 2
Correct answer
C. 2
Step-by-step solution
aligned & _ ( 1 n^2 + 1 n^2-1 + + 1 n^2-(n-1)^2 ) & = _ n 1 n (1+ 1 1- 1 n^2 + + 1 1- (n-1)^2 n^2 ) & = _ n 1 n _ r=0 ^ n-1 1 1- ( r n )^2 & = ₀^1 d x 1-x^2 = [ ⁻¹ x ]₀^1= 2 . aligned