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# Multiplication of a Matrix Quiz Questions PDF p. 79

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## Quiz on Multiplication of a Matrix

1.

If A is a matrix of order m x n and B is a matrix of order n x p then the order of AB is

p x m
p x n
n x p
m x p

2.

If ƒ(x) = √(x² -1), then domain of f is

[-∞,-1]∪[1,∞]
[-2,2]
[-∞,-2]∪[2,∞]
[-∞,-3]∪[3,∞]

3.

Partial fraction of 1/(x+1)(x² + 1) will be of the form

A/(x+1) + bx + c/(x² + 1)
A/(x+1) + B/(x² + 1)
A/(x-1) + B/(x² + 1)
None of Above

4.

F:x→√(3x²-1 and g:x→sin(x), then fog:x→

sin(3x²-1)
sin√(3x²-1)
√(sin3x²-1)
√(3x²-sin(x))

5.

A subset of A x A is called a

relation from A to B
Relation from B to A
Relation in A
relation in B