V.
Find the value
3
5
2
b)
a)
--
1o ܕ
016
1
NI
4 5
2.
9
Answers
Answered by
0
Answer:
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Step-by-step explanation:
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Class 11
>>Applied Mathematics
>>Number theory
>>Complex Numbers
>>Simplify ( 1/1 - 2i + 3/1 + i ) ( 3 +
Question
Bookmark
Simplify (
1−2i
1
+
1+i
3
)(
2−4i
3+4i
)
Medium
Solution
verified
Verified by Toppr
Correct option is C)
Simplifying, we get
(
1+i−2i+2
1+i+3−6i
)(
2−4i
3+4i
)
(
3−i
4−5i
)(
2−4i
3+4i
)
Hence
3−i
4−5i
.
2−4i
3+4i
=
6−12i−2i−4
12+16i−15i+20
=
2−14i
32+i
=
200
(32+i)(2+14i)
=
200
64+448i+2i−14
=
200
50+450i
=
4
1+9i
.
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