Answer:
cos 23 = x/7.8
Step-by-step explanation:
Answer:

Step-by-step explanation:
<u><em> Step(i):-</em></u>
Given that the function
f(x) = 
Now integrating on both sides, we get

= 
<u><em>Step(ii):-</em></u>
Let 


= 
=
= 
= 

= 
= 
= 
= 
<u><em>Final answer:-</em></u>
= 
Answer:
B. 1×3
Step-by-step explanation:
Given the first matrix as [ 4 -1 0] this is 1×3 (row by column)
The second matrix is [2 1 0 ] which is a 3×3 matrix
[-3 -7 2 ]
[1 -5 2]
Hence the answer matrix will be;
[1×3 ] *[3×3]----------------------cancel the shaded numbers to remain with
[1×3]