Answer:
(3a + 4b)² / a²b²
Explanation:
This question is difficult to interpret, however the concept being tested in this question is the ability to simplify fractions with variables.
It is a basic rule that only like terms (as denominators) can be added and subtracted from each other, however if you need to add or subtract two fractions with different denominators, it is important to make sure you create a common denominator.
For example, in the beginning, the first fractions are:
16/a² + 24/ab + 9/b²
So it is important to make sure there is a common denominator between all 3 fractions. An easy way of doing this would be to multiply denominators together:
(16b²)/a²b² + (9a²)/a²b² + 24/ab
(9a²+16b²)/a²b² + 24/ab
So now it has gone from 3 fractions to 2, and then to 1:
(9a²+16b²)/a²b² + 24ab/a²b²
(9a² + 24ab + 16b²) / a²b²
Then all that needs to be done is simplify the numerator:
(3a + 4b)² / a²b²
Answer:
goverment agencies
Explanation:
Answer:
40.7 m
Explanation:
Let point 1 represent the surface of the water, point 2 be the top of the water trajectory and the reference be the bottom of the tank. Hence:
Answer:
The phase current in each line conductor are;
Explanation:
Given the following data;
Red phase = 24kW,
Yellow phase = 18kW
Blue phase = 12kW
Line voltage = 415V
For a star connected system, we have;
The phase sequence for RYB is given by;
<em>For the Red phase;</em>
<em>For the Yellow phase;</em>
<em>For the Blue phase;</em>
For the line neutral;
Substituting we have,
Answer:
Soil engineering helps in analyzing the structure and composition of the soil of the proposed construction site, thus helping in deciding whether the soil of the proposed construction site or building is worth exploiting.