Linear Algebra - Linear Algebra

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31:  

Rank

of

the

matrix

1 1 0 0

is

A.	4
B.	2
C.	1
D.	0
	Answer Report Discuss
	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

32:  

Inverse of the matrix is

A.
B.
C.
D.
	Answer Report Discuss
	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

33:  

The system of equations

2x + 4y = 10,

5x + 10y = 25 has

A.	no solution
B.	only one solution
C.	only two solutions
D.	infinite solutions
	Answer Report Discuss
	Option: D Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

34:  

For the following set of simulataneous equations:
1.5x - 0.5y = 2
4x + 2y + 3z = 9
7x+ y + 5z = 10
 

A.	solution is unique
B.	infinitely many solutions exist
C.	equations are incompatible
D.	finite number of multiple solutions exists
	Answer Report Discuss
	Option: A Explanation : By solving the equations, we will get x=178/11 , y=49/11 and z= -237/11. So the answer is 'A Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

35:  

If matrix A is m x n and B is nx p, then number of multiplication operations and addition operations needed to calculate the matrix AB, respectively are

A.	mn2p,mpn
B.	mpn,(n-1)
C.	mpn,mpn
D.	mn2p, (m+p)n
	Answer Report Discuss
	Option: B Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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