Write the following sets in roster form
A = x : 3xsq + 5x = 0, x € W
Answers
Answered by
0
Answer:
a option I think it is right
Answered by
1
Answer:
A = {0}
Step-by-step explanation:
When x = 0
3x² + 5x
= 3 × 0² + 5 × 0
= 0 + 0
= 0
Therefore 0 can be a value in set A
When x = 1,
3 × 1² + 5 × 1
= 3 + 5
= 8 ≠ 0
Since, values greater than 1 will not give zero as answer,
Therefore, 0 is the only member.
A = {0}
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