श्रेणी $6 + 66 + 666 + \dots$ का $n$ पदों तक योग ज्ञात कीजिए।

  • A
    $\frac{10^{n-1} - 9n + 10}{81}$
  • B
    $\frac{2(10^{n+1} - 9n - 10)}{27}$
  • C
    $\frac{2(10^n - 9n - 10)}{27}$
  • D
    इनमें से कोई नहीं।

Explore More

Similar Questions

$2 + 5 + 14 + 41 + \dots$ श्रेणी के $n$ पदों का योग क्या है?

Difficult
View Solution

यदि $\left(\frac{1}{\alpha+1}+\frac{1}{\alpha+2}+\ldots+\frac{1}{\alpha+1012}\right) - \left(\frac{1}{2 \cdot 1}+\frac{1}{4 \cdot 3}+\frac{1}{6 \cdot 5}+\ldots+\frac{1}{2024 \cdot 2023}\right) = \frac{1}{2024}$,तो $\alpha$ का मान ज्ञात कीजिए।

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

श्रेणी $1^{3}+3^{3}+5^{3}+7^{3}+\ldots$ के $n$ पदों का योग क्या है?

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

Difficult
View Solution

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo