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Maths
Karanbeer Singh's image
Karanbeer Singh
Feb. 20, 2019, 2:07 p.m.

Image.jpg2nd ouestions 


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Maths
's image
Feb. 20, 2019, 1:17 p.m.

Prove that the ratio of their corresponding sides is equal to the ratios of their corresponding medians. If two triangles are similar.

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Maths
Radhe Krishna's image
Radhe Krishna
Feb. 20, 2019, 1:02 p.m.

Tan-1x tan-1y =pi/4

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Maths
Anshika Shikhar's image
Anshika Shikhar
Feb. 20, 2019, 12:54 p.m.
CBSE class 11 sample paper of mathematics SA2 examination
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Jatin Jangra's image
Jatin Jangra
Feb. 20, 2019, 11:40 a.m.
Second Method

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vicky singh's image
vicky singh
Feb. 20, 2019, 11:36 a.m.

i want to download the study material in PDF form is there any option for it ?

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thani's image
thani
Feb. 20, 2019, 11:03 a.m.

Five years ago, Nuri was thrice as old as Sonu. Ten years later, Nuri will be twice as old as Sonu. How old are Nuri and Sonu ?

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Sibabrata Choudhury's image
Sibabrata Choudhury
Feb. 20, 2019, 11:03 a.m.
The sum of the zeroes of the cubic polynomial  of the p(x)=3x3—5x2—11x—3 is
a) —5 
b) 11/3
c) 3
d) 5/3
Answer
KRISHNA KUMAR's image
KRISHNA KUMAR
Feb. 20, 2019, 10:48 a.m.

tan invers (x+2)+tan inverse (x-2) - tan inverse.1/2

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Ranjit Singh JeetaNattian's image
Ranjit Singh JeetaNattian
Feb. 20, 2019, 9:59 a.m.

Sides ab and ac of triangle abc are extended to point p and q . Also angle pbc greater than angle qcb. Show that ac greater than ab

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Maths
Poonam Sharma's image
Poonam Sharma
Feb. 20, 2019, 9:44 a.m.

Screenshot_20190220-094317.pngquestion 5

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Sri Sivabagya's image
Sri Sivabagya
Feb. 20, 2019, 9:16 a.m.

a factory owner purchases two types of machines,a and b for his facorythe area occupied by machines a and b are 1000 sqm and 1200 sqm respectively. machine A requires 12 mens and machine B requires 8 men to operate it.the daily output of machine A and B are 60 units and 40 units respectively the owner has an area of 9000m^ available and 72 skilled men who can operate the machine how many machines of each type should he buy to maximise the daily output

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Sri Sivabagya's image
Sri Sivabagya
Feb. 20, 2019, 9:07 a.m.

it is known that 40% of the students in a certain collage are girls and 50% of the students are above median height.if two third of the boys are above the median height,then what is the probability that a randomly selected students who is below median height is a girls?

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Ramashankar Agrahari's image
Ramashankar Agrahari
Feb. 20, 2019, 8:42 a.m.

Check whether 6 raised to the power n can end with digit 0 for any natural number n

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Ramashankar Agrahari's image
Ramashankar Agrahari
Feb. 20, 2019, 8:42 a.m.

Check whether 6 raised to the power n can end with digit 0 for any natural number n

Answer
Ramashankar Agrahari's image
Ramashankar Agrahari
Feb. 20, 2019, 8:38 a.m.

Check whether 6 raised to the power h can end with digit 0 for any natural number n

Answer
Maths
Salma Sakeer's image
Salma Sakeer
Feb. 20, 2019, 7:52 a.m.
  1. PROVE THAT : 2 cos π/13 cos 9π/13 cos 3π/13 cos 5π/13 =0
  2. A beam is supported at its end by supports which are 12 meters apart.Scince the load is concentrated at its centre,there is a deflection of 3 cm at the centre and the deflected beam is in the shape of a parabola.How far from the centre is the deflection 1 cm.
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