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Question : 7 of 160
Marks:
+1,
-0
Solution:
Given,
√(−3+4i)(8+6i) =√−48+14i=√2√−24+7iWe know that,
r√z=±(√‌+i√‌)‌ for ‌Im(z)>0 ∴√−24+7i‌=±(√‌+i√‌) ‌=±‌(1+7i) ∴√(−3+4i)(8+6i)=±(1+7i)
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