AP EAMCET202421 May 2024Morning ShiftMathematicsDefinite IntegrationActual
_ x 1⁷⁷+2⁷⁷+ +n⁷⁷ n⁷⁸ =
Options
- A1 77
- B1
- C76
- D1 78
Correct answer
D. 1 78
Step-by-step solution
aligned & _ n 1⁷⁷+2⁷⁷+ +n⁷⁷ n⁷⁸ & = _ n 1 n ( 1⁷⁷ n⁷⁷ + 2⁷⁷ n⁷⁷ + + n⁷⁷ n⁷⁷ ) & = _ n 1 n _ r=1 ^n ( r n )⁷⁷= ₀^1 x⁷⁷ d x= ( x⁷⁸ 78 )₀^1= 1 78 aligned