Answer:
Step-by-step explanation:
P=a+b+c+d = this is your name ok
Step-by-step explanation:first of all we have to find discount amount by using the formula discount% of M.P then finding S.P using the formula M. P -S. P then finding the profit using the formula profit% of S. P and at last we have to find C. P using the formula S. P - profit.
I hope u will understand .
hawa xa explanation tei pani herea bujxa hola .
Answer:
<h3>The answer is option A.</h3>
Step-by-step explanation:
4m - 9 + 3n + 2
The like terms are - 9 and 2
Hope this helps you
If A*B is defined then matrix A must have the same number of columns as B has rows. In other words,
dimensions of matrix A = m x n
dimensions of matrix B = n x p
So for now, matrix AB is m x p. Note how the n terms match up. The 'n' terms are the inner terms
(m x n) x (n x p)
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We're told that A*B is a square matrix, so that means m = p. We have the same number of rows and columns. This means
dimensions of matrix A = m x n
dimensions of matrix B = n x m
(m x n) x (n x m)
So matrix A*B is an m x m matrix.
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If we swap things around to compute B*A, then we can see that this is possible. Why? Because the 'm's now match up
dimensions of matrix B = n x m
dimensions of matrix A = m x n
The 'm's are now the inner terms.
(n x m) x (m x n)
meaning that matrix B*A is an n x n matrix. This proves that B*A is defined.
