Mark the correct answer for (2-3 i)(-3+4 i)= ? - Vidyadip

MCQ

Mark the correct answer for $(2-3 i)(-3+4 i)=$ ?

A
(6 + 17i)
B
(-6 + 17i)
C
(6 - 15i)
D
(6 - 17i)

✓

Answer

(a) (6 + 17i)
Explanation: $(2-3 i)(-3+4 i)=\left(-6+8 i+9 i-12 i^2\right)=(-6+17 i+12)=(6+17 i)$

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