જો $\sum_{k=1}^{n} a_k = 6n^3$ હોય,તો $\sum_{k=1}^{6} \left(\frac{a_{k+1}-a_k}{36}\right)^2$ ની કિંમત . . . . . . થાય.

  • A
    $91$
  • B
    $92$
  • C
    $93$
  • D
    $94$

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Similar Questions

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

જો $3 + 3\alpha + 3\alpha^2 + \dots \infty = \frac{45}{8}$ હોય,તો $\alpha$ ની કિંમત શું થશે?

જેનું $n^{th}$ પદ $a_{n} = \frac{n}{n+1}$ હોય તેવી શ્રેણીના પ્રથમ પાંચ પદો લખો.

$\sum\limits_{i = 1}^n {\sum\limits_{j = 1}^i {\sum\limits_{k = 1}^j 1 } } = \dots$

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$1+(1+3)+(1+3+5)+(1+3+5+7)+\ldots$ $10$ પદો સુધી $=$

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