Question
Download Solution PDFIf A
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
If A and B are two matrices such that the no. of columns of A is equal to the no. of rows of B. If A = [aij] is a m × n matrix and B = [bij] be a n × p matrix, then the product AB is the resultant matrix of order m × p and is defined as:
Calculation:
Given: A
Here, we have to find the value of k such that
As the two matrices are equal, their corresponding elements are also equal.
Comparing the corresponding elements:
4k = 28 ⇒ k = 7
∴ The value of k is 7.
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