Recent questions in CBSE XI

Evaluate the following limits $\lim\limits_{x \to 2} \large\frac{3x^2-x-10}{x^2-4}$

asked Apr 3, 2014 by thanvigandhi_1

1 answer

Evaluate the following limits $\lim\limits_{x \to 0} \large\frac{(x+1)^5-1}{x}$

asked Apr 3, 2014 by thanvigandhi_1

1 answer

Evaluate the following limits $\lim\limits_{ x \to -1} \large\frac{x^{10}+x^5+1}{x-1}$

asked Apr 3, 2014 by thanvigandhi_1

1 answer

Evaluate the following limits $\lim\limits_{x \to 4} \large\frac{4x+3}{x-2}$

asked Apr 3, 2014 by thanvigandhi_1

1 answer

Evaluate the following limits $\lim\limits_{x \to 1} \pi r^2$

asked Apr 3, 2014 by thanvigandhi_1

1 answer

Evaluate the following limits $\lim\limits_{x \to \pi} \bigg( x - \large\frac{22}{7} \bigg)$

asked Apr 3, 2014 by thanvigandhi_1

1 answer

Evaluate the following limits $\lim\limits_{x \to 3} x+3$

asked Apr 3, 2014 by thanvigandhi_1

1 answer

Find the equation of an ellipse that satisfies the following conditions: Centre at $(0,0)$ , major axis on y-axis and passes through $(3,2), \; (1,6)$

asked Apr 3, 2014 by balaji.thirumalai

1 answer

Find the equation of an ellipse that satisfies the following conditions: Major axis on x-axis, passes through the points $(4,3)$ and $(6.2)$

asked Apr 3, 2014 by balaji.thirumalai

1 answer

Find the equation of an ellipse that satisfies the following conditions: $b=3, c=4$ , centre at origin and foci on x-axis.

asked Apr 3, 2014 by balaji.thirumalai

1 answer

Find the equation of an ellipse that satisfies the following conditions: $a = 4$ and Foci = $(\pm3,0)$

asked Apr 3, 2014 by balaji.thirumalai

1 answer

Find the equation of an ellipse that satisfies the following conditions: Length of minor axis $= 16$ and Foci $= (0,\pm6)$

asked Apr 3, 2014 by balaji.thirumalai

1 answer

Find the equation of an ellipse that satisfies the following conditions: Length of major axis is $26$ and Foci is $(\pm5,0)$

asked Apr 3, 2014 by balaji.thirumalai

1 answer

Find the sum of $n$ terms of the series $3+7+13+21+31+.............$

asked Apr 2, 2014 by rvidyagovindarajan_1

1 answer

Find the equation of an ellipse that satisfies the following conditions: Ends of Major Axis $\;(0, \pm\sqrt 5)$ , Ends of Minor Axis $\;(\pm 1,0)$

asked Apr 2, 2014 by balaji.thirumalai

1 answer

Find the equation of an ellipse that satisfies the following conditions: Ends of Major axis $\;(\pm3,0)$ , Ends of Minor Axis $\;(0, \pm 2)$

asked Apr 2, 2014 by balaji.thirumalai

1 answer

Find the equation of an ellipse that satisfies the following conditions: Vertices $\;(\pm6,0)$ , Foci $\;(\pm4,0)$

asked Apr 2, 2014 by balaji.thirumalai

1 answer

Find the equation of an ellipse that satisfies the following conditions: Vertices $\;(\pm 13,0)$ , Foci $\;(\pm 5,0)$

asked Apr 2, 2014 by balaji.thirumalai

1 answer

Find the equation of an ellipse that satisfies the following conditions: Vertices $\;(\pm5,0)$ , Foci $\;(\pm4,0)$

asked Apr 2, 2014 by balaji.thirumalai

1 answer

Find the coordinates of the foci, the vertices, the length of the major axis, the minor axis, the eccentricity and the length of the latus rectum of the ellipse $4x^2+9y^2=36$

asked Apr 2, 2014 by balaji.thirumalai

1 answer

Find the coordinates of the foci, the vertices, the length of the major axis, the minor axis, the eccentricity and the length of the latus rectum of the ellipse $16x^2+y^2=16$

asked Apr 2, 2014 by balaji.thirumalai

1 answer

Find the coordinates of the foci, the vertices, the length of the major axis, the minor axis, the eccentricity and the length of the latus rectum of the ellipse $36x^2+4y^2 = 144$

asked Apr 2, 2014 by balaji.thirumalai

1 answer

Find the $20^{th}$ term of the series $2\times 4+4\times 6+6\times 8+..........$

asked Apr 2, 2014 by rvidyagovindarajan_1

1 answer

Find the sum of $n$ terms of the series $\large\frac{1^3}{1}+\frac{1^3+2^3}{1+3}+\frac{1^3+2^3+3^3}{1+3+5}+.........$

asked Apr 2, 2014 by rvidyagovindarajan_1

1 answer

If $S_1,S_2,S_3$ are the sum of $n$ natural numbers,sum of their squares and sum of their cubes respectively then Show that $9S_2^2=S_3(1+8S_1)$

asked Apr 2, 2014 by rvidyagovindarajan_1

1 answer

Find the sum of $n$ terms of the series $0.6+0.66+0.666+......$

asked Apr 2, 2014 by rvidyagovindarajan_1

1 answer

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

asked Apr 2, 2014 by rvidyagovindarajan_1

1 answer