Recent questions tagged Plzzz answer fast tmrw i have pre board exam

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Find the equation of the ellipse satisfying the following condition. Vertices at ((_-^+)5,0), foci at ((_-^+)4,0).

asked Nov 25, 2018 in Class XI Maths by arun811 (-61 points)

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Show that four point (1,0), (2,-7), (8,1), and (9,-6) are concyclic

asked Nov 25, 2018 in Class XI Maths by arun811 (-61 points)

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Find the equation of the line passing through the point (-5, 5) and the point of interception of the line 4x-3y+7=0 and 2x+3y+5=0.

asked Nov 25, 2018 in Class XI Maths by arun811 (-61 points)

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In what ratio is the line segment joining (1,3) and (2,7) divided 3x=y-9=0.

asked Nov 25, 2018 in Class XI Maths by arun811 (-61 points)

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7. What is the value of y. show that the line trough (3, y) and (2,7) is parallel the line through (-1,4) and (0,6).

asked Nov 25, 2018 in Class XI Maths by arun811 (-61 points)

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3. Show that the line joining (2,-3) and (-5,1) is parallel to the line joining (7,-1) and (0,3).

asked Nov 25, 2018 in Class XII Maths by arun811 (-61 points)

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2. In what ratio is the line segment joining the point (4,5) and (1,2) divvied by the x-axis. Find also coordinate point of division.

asked Nov 25, 2018 in Class XI Maths by arun811 (-61 points)

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If the lines: 2x+y-3=0, 5x+ky-3=0 and 3x-y-2=0 are concurrent, find the value of 'k'?

asked Aug 18, 2017 in Class XI Maths by nikhil agarwal Basic (56 points)

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Prove that: log 2 + 2 log 5 - log 3 - 2 log 7 = log 50/147.

asked Jul 11, 2017 in Class XI Maths by nikhil agarwal Basic (56 points)

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A body moves form a position r1 = (2i-3j-4k) metre to a position r2 = (3i-4j+5k) metre under the influence of a constant force F = (4i+j+6k) newton. The work done by the force is : a) 60J b)59J c)58J d)57J

asked May 22, 2017 in Class XI Physics by nikhil agarwal Basic (56 points)

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The resultant of two forces , one double the other in magnitude, is perpendicular to the smaller of the two forces. The angle between the two forces is : A.120 degree B.60 degree C. 90 degree D. 150 degree

asked May 8, 2017 in Class XI Physics by nikhil agarwal Basic (56 points)

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1 answer

Show that:-- (tan3x)(tan2x)(tanx)=tan3x-tan2x-tanx

asked Apr 28, 2017 in Class XI Maths by nikhil agarwal Basic (56 points)

–1 vote

1 answer

The radii of two concentric circles are 13 cm and 08 cm respectively. AB id the diameter of the bigger circle and BD is the tangest to the smaller circle touching it at D. F the length of AD ?

asked Feb 21, 2017 in Class X Maths by esha agarwal (1 point)

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What are platyhelminthes?

asked Feb 18, 2017 in Class IX Science by anmol bharadwaj Mature (217 points)

+1 vote

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the line segment joining the points a(2 1) and b(5 -8) is trisected at pts. p and q such that p is nearer to a. if p also lies on the line given by 3x-2y+k=0

asked Feb 11, 2017 in Board Exams by Sourav Prusty Basic (33 points)

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Show that log a(base)b + log 1/2(base) b = 0

asked Oct 28, 2016 in Class XI Maths by Raul Saha (-1 points)

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Show that log ab(base)x = log a(base)x . log b(base)x / log a(base)x + log b(base)x

asked Oct 28, 2016 in Class XI Maths by Raul Saha (-1 points)

–1 vote

2 answers

Q.5. show that 9n cannot end with digit 0 for any natural number n

asked Sep 18, 2016 in Class X Maths by umesh (-7 points)

+1 vote

1 answer

Q. 1. IF P,Q and R are the interior angles of trianglePQR,then show that: tan(P+Q upon 2)=cot(R upon 2)

asked Sep 18, 2016 in Class X Maths by umesh (-7 points)

+1 vote

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Q.1. In tringle ,X is middle point of AC.If XY||AB,then prove that Y is middle point of BC

asked Sep 18, 2016 in Class X Maths by umesh (-7 points)

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