Recent questions tagged class11

An arch is in the form of a parabola with its axis vertical. The arch is 10 m high and 5 m wide at the base. How wide is it 2 m from the vertex of the parabola?

asked Jul 23, 2014 by thanvigandhi_1

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If a parabolic reflector is 20 cm in diameter and 5 cm deep, find the focus.

asked Jul 23, 2014 by thanvigandhi_1

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For the statement "If a quadrilateral is a parallelogram then its diagonals bisect each other"' is the statement "If the diagonals of a quadrilateral bisecyt then it is a parallelogram" contra positive or converse?

asked Jul 22, 2014 by rvidyagovindarajan_1

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For the statement "If a quadrilateral is a parallelogram then its diagonals bisect each other"' is the statement "If the diagonals of a quadrilateral do not bisect then it is not a parallelogram" contra positive or converse?

asked Jul 22, 2014 by rvidyagovindarajan_1

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For the statement "If you live in Delhi then you have winter clothes.' is the statement "If you have winter clothes then you live in Delhi" contra positive or converse?

asked Jul 22, 2014 by rvidyagovindarajan_1

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For the statement "If you live in Delhi then you have winter clothes.' is the statement "If you do not have winter clothes then you do not live in Delhi" contra positive or converse?

asked Jul 22, 2014 by rvidyagovindarajan_1

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Write the statement "To get 'A' in the class it is necessary that you do all the exercises of the book." in 'if-then' form.

asked Jul 22, 2014 by rvidyagovindarajan_1

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Write the statement "A quadrilateral is a parallelogram if its diagonals bisect each other" in 'if-then' form.

asked Jul 22, 2014 by rvidyagovindarajan_1

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Write the statement " The banana tree will bloom if it stays warm for a month.' in 'if-then' form

asked Jul 22, 2014 by rvidyagovindarajan_1

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Write the statement "You get a job implies that your credentials are good" in 'if-than' form.

asked Jul 22, 2014 by rvidyagovindarajan_1

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Find the equations of the hyperbola satisfying the given conditions : Foci $(0, \pm \sqrt{ 10} )$ , passing through $(2,3 )$

asked Jul 21, 2014 by thanvigandhi_1

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Find the equations of the hyperbola satisfying the given conditions : vertices $(\pm 7,0 ) , e = \large\frac{4}{3}$

asked Jul 21, 2014 by thanvigandhi_1

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Find the equations of the hyperbola satisfying the given conditions : Foci $(\pm 4, 0)$, the latus rectum is of length $12$

asked Jul 21, 2014 by thanvigandhi_1

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Write the converse and contra positive statements of the statement "$x$ is an even number implies that $x$ is divisible by $4$.

asked Jul 21, 2014 by rvidyagovindarajan_1

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Find the equations of the hyperbola satisfying the given conditions : Foci $(\pm 3\sqrt 5 , 0)$, the latus rectum is of length $8$

asked Jul 21, 2014 by thanvigandhi_1

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Write the converse and contra positive statements of the statement "You cannot comprehend geometry if you do not know how to reason deductively."

asked Jul 21, 2014 by rvidyagovindarajan_1

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Write the converse and contra positive statements of the statement "Something cold implies that it has low temperature."

asked Jul 21, 2014 by rvidyagovindarajan_1

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Find the equations of the hyperbola satisfying the given conditions : Foci $(0, \pm13)$, the conjugate axis is of length $24$.

asked Jul 21, 2014 by thanvigandhi_1

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Write the converse and contra positive statement of the statement " If the two lines are parallel then they do not intersect in the same plane."

asked Jul 21, 2014 by rvidyagovindarajan_1

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Find the equations of the hyperbola satisfying the given conditions : Foci $(\pm 5, 0)$, the transverse axis is of length $8$

asked Jul 21, 2014 by thanvigandhi_1

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Write the contrapositive and converse of the statement: "If $x$ is prime then $x$ is odd."

asked Jul 21, 2014 by rvidyagovindarajan_1

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Rewrite the the statement " $If\: a\:natural\:number\:is\:odd,\: then\:its\:square\:is\:also\:odd."$ in five different ways conveying the same meaning.

asked Jul 21, 2014 by rvidyagovindarajan_1

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Find the equations of the hyperbola satisfying the given conditions : Vertices $(0, \pm 3),$ foci $(0, \pm 5)$

asked Jul 21, 2014 by thanvigandhi_1

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Find the equations of the hyperbola satisfying the given conditions : Vertices $(0, \pm 5),$ foci $(0, \pm 8)$

asked Jul 21, 2014 by thanvigandhi_1

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Find the equations of the hyperbola satisfying the given conditions : Vertices $(\pm 2, 0),$ foci $(\pm 3, 0)$

asked Jul 19, 2014 by thanvigandhi_1

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Find the coordinates of the foci and the vertices, the eccentricity and the length of the latus rectum of the hyperbolas : $49y^2 – 16x^2 = 784$

asked Jul 19, 2014 by thanvigandhi_1

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Find the coordinates of the foci and the vertices, the eccentricity and the length of the latus rectum of the hyperbolas : $5y^2-9x^2=36$

asked Jul 19, 2014 by thanvigandhi_1

1 answer

Find the coordinates of the foci and the vertices, the eccentricity and the length of the latus rectum of the hyperbolas : $ 16x^2-9y^2=576$

asked Jul 19, 2014 by thanvigandhi_1

1 answer

Find the coordinates of the foci and the vertices, the eccentricity and the length of the latus rectum of the hyperbolas : $9y^2–4x^2= 36$

asked Jul 19, 2014 by thanvigandhi_1

1 answer

Find the coordinates of the foci and the vertices, the eccentricity and the length of the latus rectum of the hyperbolas : $ \large\frac{y^2}{9}-\large\frac{x^2}{27}=1$

asked Jul 19, 2014 by thanvigandhi_1

1 answer