Question

If z = `5i ((-3)/5 i)`, then z is equal to 3 + bi. The value of ‘b’ is ______.

विकल्प

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Answer 1

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