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Question
If z = `5i ((-3)/5 i)`, then z is equal to 3 + bi. The value of ‘b’ is ______.
Options
1
2
0
3
MCQ
Fill in the Blanks
Solution
If z = `5i ((-3)/5 i)`, then z is equal to 3 + bi. The value of ‘b’ is 0.
Explanation:
z = `5i ((-3)/5 i)`
= –3i2
= –3(–1)
= 3 ≡ 3 + 0i
Hence, b = 0
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Argand Diagram Or Complex Plane
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