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JEE MATHEMATICS MCQ: COMPLEX NUMBERS

1 Easy
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Application +4 | -1
If z=5i(−35i)z=5 i\left(\frac{-3}{5} i\right), then zz is equal to 3+bi.3+bi. The value of 'b{b}' is
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Correct option: A
0
Option A (0) is correct because simplifying the expression results in 3 + 0i, so the value of 'b' is 0.

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