Two matrices are called equal matrices if they have the same order or dimension and the corresponding elements are equal.
Suppose A and B are the matrices of equal order i × j and aij = bij, then A are B are called equal matrices.
Example: Find the value of a and x if the matrices
A
=
[
4
3
1
−
5
]
,
B
=
[
a
x
−
6
1
−
5
]
are equal.
Solution:
Given that,
A = B
[
4
3
1
−
5
]
=
[
a
x
−
6
1
−
5
]
Since A and B are equal matrices the corresponding elements are equal.
Therefore,
a = 4
x – 6 = 3
x = 3 + 6
x = 9
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Answer:
less than or equal to x
Step-by-step explanation:
For example
[4 ] = 4
[4.3 ] = 4
[- 2 ] = - 2
[- 2.4 ] = - 2
Answer:
16
Step-by-step explanation:
12 divided by 3 = 4 and 6*2 = 12
12+4=16
Answer:
A
Step-by-step explanation:
the anwser is A because is the Y up vertical
is given
here ,
or,
or,
or,7x²+3x-4=-4
or,7x²+3x=0
or,x(7x+3)=0
Either,x=0| Or,7x+3=0
|or,7x=-3
|or,x=
So , the solution set is S={0,-
}
