If 5 z_ 2 7 z_ 1 is purely imaginary number, then find the value of | 2 z_ 1 +3 z_ 2 2 z_…
Mathematics · JEE Main · NTA Exams — Complex Numbers and Quadratic Equations
If \(\frac{5 z_{2}}{7 z_{1}}\) is purely imaginary number, then find the value of \(\left|\frac{2 z_{1}+3 z_{2}}{2 z_{1}-3 z_{2}}\right|\)
- 2
- 1
- - 1
- 0
Answer
(B) 1
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