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Recent questions tagged p118

The area of the region bounded by the curve $xy=1, x$-axis$\;x=1.$ Find the volume of the solid generated by revolving the area mentioned about $x$-axis.

asked Apr 30, 2013 by poojasapani_1

1 answer

Derive the formula for the volume of a right circular cone with radius $'r'$ and height $'h'$.

asked Apr 30, 2013 by poojasapani_1

1 answer

Find the volume of the solid that results when the region enclosed by the given curve: $(11$$to14)$$\large\frac{x^{2}}{a^{2}}+\frac{y^{2}}{b^{2}}=1$ is revolved about major axis $a>b>0.$

asked Apr 30, 2013 by poojasapani_1

1 answer

Find the volume of the solid that results when the region enclosed by the given curve: $\;y=x^{3},x=0,y=1$ is revolved about the $y$-axis.

asked Apr 30, 2013 by poojasapani_1

1 answer

The planes $\overrightarrow{r} .(\overrightarrow{2i}+\lambda\overrightarrow{j}-\overrightarrow{3k})=10 $and $ \overrightarrow{r}. (\lambda\overrightarrow{i}+\overrightarrow{3j}+\overrightarrow{k})=5$ are perpendiculare find $\lambda$

asked Apr 8, 2013 by poojasapani_1

1 answer

Show that the following planes are at right angles.$\overrightarrow{r}(\overrightarrow{2i}-\overrightarrow{j}+\overrightarrow{k})=15$ and$ \overrightarrow{r}(\overrightarrow{i}-\overrightarrow{j}-\overrightarrow{3k})=3$

asked Apr 8, 2013 by poojasapani_1

1 answer

Find the angle between following plane:$r=(3i+j-k)=7 $ and $r=(i+4j-2k)=10$

asked Apr 8, 2013 by poojasapani_1

1 answer

Find the angle between following planes; $2x-3y+4z=1$ and $-x+y=4$

asked Apr 8, 2013 by poojasapani_1

1 answer

Find the angle between the followin planes: $2x+y-z=9 $and $x+2y+z=7$

asked Apr 8, 2013 by poojasapani_1

1 answer

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