Find the sum to n terms: 8 + 88 + 888 + 8888 + …….. - Vidyadip

Question

Find the sum to n terms: 8 + 88 + 888 + 8888 + ……..

✓

Answer

Get the step-by-step solution for this question inside the Vidyadip app.

Get the answer in the app

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Solve the Following Question.(3 Marks)" from Sequences and Series (p-1)→Sequences and Series (p-1) — all question types→Maths (commerce) STD 11 Commerce / Arts question papers→Maharashtra Board STD 11 Commerce / Arts question papers→Maharashtra Board question paper generator→

Similar questions

A committee of 10 persons is to be formed from a group of 10 women and 8 men. How many possible committees will have at least 5 women? How many possible committees will have men in the majority?

Find all pairs of consecutive even positive integers, both of which are larger than 5 such that their sum is less than 23.

Evaluate the following:

$\lim _{x \rightarrow 0}\left[\frac{(49)^x-2(35)^x+(25)^x}{x^2}\right]$

Find k, if the following equations are consistent.

(ii) (k – 2)x + (k – 1)y = 17, (k – 1)x + (k – 2)y = 18, x + y = 5

Evaluate the following limits:

$\lim _{v \rightarrow \sqrt{2}}\left[\frac{v^2+v \sqrt{2}-4}{v^2-3 v \sqrt{2}+4}\right]$

Express the following in the form of $a+i b, a, b \in R, i=\sqrt{ }-1$. State the values of $a$ and $b$ : $\frac{3+2 i}{2-5 i}+\frac{3-2 i}{2+5 i}$

Find the square roots of : -16 + 30i

The difference between simple interest and compound interest on a certain sum of money i ₹ 32 at $8 \%$ per annum for 2 years. Find the amount.

Find the derivatives of the following w.r.t. x. : \begin{equation}
\frac{x \mathrm{e}^x}{x+\mathrm{e}^x}
\end{equation}

Obtain the new equations of the following loci if the origin is shifted to the point $O^{\prime}(2,2)$, the direction of axes remaining the same:
(a) $3 x-y+2=0$
(b) $x^2+y^2-3 x=7$
(c) $x y-2 x-2 y+4=0$