The sum (3 × 1³)/(1³) + (5 × (1³ + 2³))/(1² + 2²) + (7 × (1³ + 2³ + 3³))/(1² + 2² + 3²) +..... upto 10 terms is:

Sequence and Series: JEE Main 2019 Mathematics question

JEE Main 2019 · 10 Apr, Morning shift · Q5303

JEE Main 201910 Apr, Morning shiftMathematicsMediumSequence and Series179× since 2002

The sum

{{3 \times {1^3}} \over {{1^3}}} + {{5 \times ({1^3} + {2^3})} \over {{1^2} + {2^2}}} + {{7 \times \left( {{1^3} + {2^3} + {3^3}} \right)} \over {{1^2} + {2^2} + {3^2}}} + .....

upto 10 terms is:

JEE Main 2019 · 10 Apr, Morning shift · Q5303

JEE Main 201910 Apr, Morning shiftMathematicsMediumSequence and Series179× since 2002

The sum

{{3 \times {1^3}} \over {{1^3}}} + {{5 \times ({1^3} + {2^3})} \over {{1^2} + {2^2}}} + {{7 \times \left( {{1^3} + {2^3} + {3^3}} \right)} \over {{1^2} + {2^2} + {3^2}}} + .....

upto 10 terms is: