4-1.Complex numbers
easy

સંકર સંખ્યા $\frac{{2 + 5i}}{{4 - 3i}}$ ની અનુબદ્ધ સંકર સંખ્યા મેળવો.

A

$\frac{{7 - 26i}}{{25}}$

B

$\frac{{ - 7 - 26i}}{{25}}$

C

$\frac{{ - 7 + 26i}}{{25}}$

D

$\frac{{7 + 26i}}{{25}}$

Solution

(b) $\frac{{2 + 5i}}{{4 – 3i}} = \frac{{(2 + 5i)(4 + 3i)}}{{25}} = \frac{{ – 7 + 26i}}{{25}}$.
Therefore conjugate of the complex number is $\frac{{ – 7 – 26i}}{{25}}$.

Standard 11
Mathematics

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