Intersection of two sets is the set of common elements between them.
Further Explanation:
Operations on sets are the actions that can be performed on/between sets.
Two most common operations are: Union and Intersection
Union is consists of the elements of both sets combined while intersection consists of the common elements of sets.
<u>Example:</u>
Let
The intersection is denoted by ∩.
So,
A∩B = {1,2,3,4,5} ∩ {{2,3,4,6,7}
Intersection will give the elements which will be common in both sets.
So,
A∩B= {2,3,4}
<u>Keywords:</u> Sets, Operations on sets
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Answer:
a+ 5a = 2a + 9
<=> 6a -2a = 9
<=> 4a = 9
<=> a = 9/4
=> have one solution
Step-by-step explanation:
Answer:
x = 2 is a solution
x = 0 is an extraneous solution
(Option 2)
Step-by-step explanation:
4/x = (3x + 2)/x²
4x² = 3x² + 2x
x² - 2x = 0
x(x - 2) = 0
x = 0, x = 2
Verification:
4/x = (3x + 2)/x²
At x = 2
4/2 = [3(2) + 2]/2²
2 = 8/4
2 = 2
At x = 0
4/0 = [3(0) + 2]/0²
Is undefined