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Recent questions tagged q21-1

Find the sum of the series $5+55+555+..........$ upto $n$ terms.

asked Apr 2, 2014 by rvidyagovindarajan_1

1 answer

Show that the lines $\begin{array}{1 1}\overrightarrow{r}=3\hat{i}+2\hat{j}-4\hat{k}+\lambda(\hat{i}+2\hat{j}+2\hat{k});\\\overrightarrow{r}=5\hat{i}-2\hat{j}+\mu(3\hat{i}+2\hat{j}+6\hat{k})\end{array} $ are intersecting. Hence find their point of intersection.

asked Mar 20, 2013 by sreemathi.v

1 answer

Let $A=[-1,1].$ Then,dicuss whether the following functions defined on $A$ are one-one,onto or bijective:$\; f(x)\;=\;\frac{x}{2} $

asked Dec 18, 2012 by sreemathi.v

1 answer

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