the molecules of 5+4i is
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1
Answer:
Correct option is
A
41
40
−
41
9
i.
Given,
4+5i
5+4i
Rationalizing the denominator,
=
(4+5i)(4−5i)
(5+4i)(4−5i)
=
4
2
+5
2
20−25i+16i+20
=
41
40
−
41
9i
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