a.
To find:
a.
Answer to Problem 20E
Explanation of Solution
Given information:
Concept used:
Operations like addition and subtraction of matrices are only possible when they are of same dimension.
Dimension of matrix with a rows and b columns is given by
If a matrix is multiplied by a scalar then each element of the matrix is multiplied by the same scalar.
Calculations:
The order of matrix
Since the orders of both the matrices are different, performing
b.
To find:
b.
Answer to Problem 20E
Explanation of Solution
Given information:
Concept used:
Operations like addition and subtraction of matrices are only possible when they are of same dimension.
Dimension of matrix with a rows and b columns is given by
If a matrix is multiplied by a scalar then each element of the matrix is multiplied by the same scalar.
Calculations:
The order of matrix
Since the orders of both the matrices are different, performing
c.
To find:
c.
Answer to Problem 20E
The matrix
Explanation of Solution
Given information:
Concept used:
Operations like addition and subtraction of matrices are only possible when they are of same dimension.
Dimension of matrix with a rows and b columns is given by
If a matrix is multiplied by a scalar then each element of the matrix is multiplied by the same scalar.
Calculations:
d.
To find:
d.
Answer to Problem 20E
Explanation of Solution
Given information:
Concept used:
Operations like addition and subtraction of matrices are only possible when they are of same dimension.
Dimension of matrix with a rows and b columns is given by
If a matrix is multiplied by a scalar then each element of the matrix is multiplied by the same scalar.
Calculations:
And
The order of
Chapter 7 Solutions
Precalculus with Limits: A Graphing Approach
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