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Answers
Step-by-step explanation:
Given:
To find: If CA=B
1) Write the order of C.
2) Find the matrix C.
Solution:
1) Write the order of C:
We know that in matrix multiplication column of first matrix is equal to row of second matrix.
In CA
Column of matrix C is equal to row of matrix A.
Here,we must keep in mind that CA=B
order of B is 1×2 and order of A is 2×2
Thus,
Order of C is 1×2
2)Find the matrix C:
let matrix C is
put the values of C, A and B into given eq
CA=B
Multiply both matrix in LHS
Equate both matrix
take common 2 from eq1 and add both eqs
put the value of y in eq1
Thus,
Matrix C is
Final answer:
1) Order of C is [1×2].
2)Matrix C is
Hope it helps you.
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