$2^2 + 4^2 + 6^2 + \dots + (2n)^2 = \dots$

  • A
    $\frac{n(n + 1)(2n + 1)}{3}$
  • B
    $\frac{2n(n + 1)(2n + 1)}{3}$
  • C
    $\frac{n(n + 1)(2n + 1)}{6}$
  • D
    $\frac{n(n + 1)(2n + 1)}{9}$

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Similar Questions

પદાવલિ $1.(2 - \omega )(2 - {\omega ^2}) + 2.(3 - \omega )(3 - {\omega ^2}) + ....... + (n - 1).(n - \omega )(n - {\omega ^2}),$ જ્યાં $\omega$ એ એકમનું કાલ્પનિક ઘનમૂળ છે,તેનું મૂલ્ય શું છે?

કોઈપણ પૂર્ણાંક $n \geq 1$ માટે,સરવાળો $\sum_{k=1}^n k(k+2)$ કોના બરાબર છે?

શ્રેણી $1 + 3x + 6x^2 + 10x^3 + \dots \infty$ નો સરવાળો શું થશે?

જો $\sum\limits_{r=1}^\infty \frac{1}{(2r-1)^2} = \frac{\pi^2}{8}$ હોય,તો $\sum\limits_{r=1}^\infty \frac{1}{r^2} = \dots$

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$11^3 + 12^3 + \dots + 20^3$

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