Question

VishAl KumAr's image
VishAl KumAr
Jan. 31, 2018, 10:03 p.m.

Let S = {1,2,3,.....,n} and A={(a,b) | 1<=a, b<=n}=S*S. A subset B of A is such that (x,x) belongs to B for every x belongs to S. Then find the number of subsets B.

Answer
VishAl KumAr's image
VishAl KumAr
Jan. 31, 2018, 9:31 p.m.

particle of mass 4 kg is at rest at position A(2, 3). If it is moved to point B(3, 5) by applying a constant force , the speed of particle at B is (co-ordinates are in meters)

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poonam sharma's image
poonam sharma
Jan. 31, 2018, 9:07 p.m.
Show that x-√2 is a factor of the polynomial x^3-2√2x^2-10x 12√2. Hence Factories the polynomials.

[Give complete solutions of both parts.]
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Maths
Møhåmmãđ Ţæüfïq's image
Møhåmmãđ Ţæüfïq
Jan. 31, 2018, 8:59 p.m.

a2 +b2

Answer
VishAl KumAr's image
VishAl KumAr
Jan. 31, 2018, 8:31 p.m.

The ratio of volume of 2 sphere is 8:27 if r and R radii of sphere respectively find (R-r)/r

Answer
Maths
Sourabh Nirban's image
Sourabh Nirban
Jan. 31, 2018, 8:29 p.m.
what is epistolary novel and serialised novel? Explain
Answer
Maths
Tharakaramudu abboju's image
Tharakaramudu abboju
Jan. 31, 2018, 8:22 p.m.
Trigonometry

Answer
Maths
sudhir sharma's image
sudhir sharma
Jan. 31, 2018, 8:22 p.m.

Image.jpg express the following in the foam p/q

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Accounts Tax GST
My Mom's image
My Mom
Jan. 31, 2018, 8:17 p.m.
Can I believe this application 
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Ayesha Shaikh's image
Ayesha Shaikh
Jan. 31, 2018, 7:59 p.m.

if A(1,2) B(3,4) and C(5,6) then (A-B)*C is

Answer
SK Sarfaraz's image
SK Sarfaraz
Jan. 31, 2018, 7:53 p.m.
What is matrix 
Answer
ಸುಮಂತ್ ಟಿ ಸಿ's image
ಸುಮಂತ್ ಟಿ ಸಿ
Jan. 31, 2018, 7:29 p.m.
cos(x y)=cosx.cosy-sinx. Siny prove geometrically

Answer
Maths
Satyajit's Pokemon world's image
Satyajit's Pokemon world
Jan. 31, 2018, 6:52 p.m.

A right circular cylinder just enclosed a sphere of radius 4.2 cm. What is the volume of this cylinder?

Answer
poonam sharma's image
poonam sharma
Jan. 31, 2018, 6:49 p.m.
Factorise:
X^3-2√2x^2-10x 12√2


Answer
Monika Ohri's image
Monika Ohri
Jan. 31, 2018, 5:01 p.m.
Explain 1st step of question 4 of 9.4 class 11 in detail
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Shivendra Singh's image
Shivendra Singh
Jan. 31, 2018, 5 p.m.
Not understanding
Answer
Maths
Mandeep Singh's image
Mandeep Singh
Jan. 31, 2018, 4:31 p.m.
in 8 days , the earth picks up (6.4×10) kg of dust from the atmosphere. how much dust will it pick up in 15 days

Answer
Maths
Rajkumar Phulmali's image
Rajkumar Phulmali
Jan. 31, 2018, 4:25 p.m.
Distance between point (1,1) and (-1,-1) is
Answer