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8764
Regression Lines
Q-1 If y=x+1 and x=3y-7 are 2 regression lines Then x bar(mean for x values) and y bar(mean for y values) are respectively a)2,3 b)2,2 c)3,2 d)0,1 Q-2 Regression equations are x=4-0.2y and y=7-0.8x then value of correlation coefficient is a)0.4 b)-0.4 c)0.16 d)-0.16
Q-1 If y=x+1 and x=3y-7 are 2 regression linesThen x bar(mean for x values) and y bar(mean for y values) are respectivelya)2,3 b)2,2 c)3,2 d)0,1Q-2 Regression equations a...
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8765
Probability
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2 answers
8766
How to find Transitive Closure of any Relation ?
I want to know the best way through which we can find transitive closures of any relation ? Please let me know.
I want to know the best way through which we can find transitive closures of any relation ? Please let me know.
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2 votes
1 answer
8767
Properties of Planar graph
Can anyone explain a connected planar graph with n vertices and e edges has e-n+2 regions??
Can anyone explain a connected planar graph with n vertices and e edges has e-n+2 regions??
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8769
Propositional Logic
An ancient Sicilian legend says that the barber in a remote town who can be reached only by traveling a dangerous mountain road shaves those people, and only those people, who do not shave themselves. Can there be such a barber?
An ancient Sicilian legend says that the barber in a remotetown who can be reached only by traveling a dangerousmountain road shaves those people, and only those people,w...
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1 votes
1 answer
8770
Integration
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1 votes
2 answers
8771
f:R->R be such that f(x)=x^3-3x^2+5x -10..prove that whether it is one to one or onto or both..
please give me adetail solution.basically I am getting confused how to determine onto function or not for a polynomial.please answer me as early as possible..
please give me adetail solution.basically I am getting confused how to determine onto function or not for a polynomial.please answer me as early as possible..
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1 votes
2 answers
8772
How many seven digits number are there such that Digits are distinct integers taken from {1, 2, ..., 9} and Digits 5 and 6 do not appear together (consecutively)
How many seven digits number are there such thatDigits are distinct integers taken from {1, 2, ..., 9} andDigits 5 and 6 do not appear together (consecutively)
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1 votes
2 answers
8773
Eigen vectors
if the  matrix A (3∗3)   has 3 distinct eigen values then the no.of linearly independent eigen vectors for A= a)1 b)2 c)3 d)infinite
if the  matrix A (3∗3)   has 3 distinct eigen values then the no.of linearly independent eigen vectors for A=a)1b)2c)3d)infinite
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8774
Rank
IF A is square matrix of order 'n' and rank(A)=n-2 then Rank(adj(A))=?
IF A is square matrix of order 'n' and rank(A)=n-2 then Rank(adj(A))=?
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8775
is there any short cut to find the determinant of the matrix
1 0 0 0 0 2 0 1 0 0 2 0 0 0 1 2 0 0 0 0 2 1 0 0 0 2 0 0 1 0 2 0 0 0 0 1
1 0 0 0 0 20 1 0 0 2 00 0 1 2 0 00 0 2 1 0 00 2 0 0 1 02 0 0 0 0 1
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8776
prove that y=cos2x+6 is not a one one and onto function.
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8777
CALCULUS
1/(2+e^(1/(x-3))) Is it continuous? where 2<e<3
1/(2+e^(1/(x-3))) Is it continuous? where 2<e<3
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8778
the no of algebric terms involved in the expansion of a determinant
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3 votes
2 answers
8779
graphs - bipartite
Q) For what value of n Kn can be bipartite a)2 b)3 c)4 d) 5
Q) For what value of n Kn can be bipartitea)2b)3c)4d) 5
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8780
Limits
Find lim x->infinity[5th root(25-24)-x] a)-1/5 b)1/5 c)&pi;/4 d)None
Find lim x->infinity[5th root(25-24)-x]a)-1/5b)1/5c)&pi;/4d)None
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