Answer:
20.
Given, complex number is 10+5i .
We need to find sum of the given complex number and its conjugate. The conjugate of 10+5i is 10-5i. Therefore, the sum will be 10+5i+10−5i=20.
6y + 30
Step-by-step explanation:
<u>Step 1: Distribute</u>
6(y + 5)
Answer: 6y + 30
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m
∠
N
=
67
∘
,
and
P
113
.
Explanation:
By what is given,
M
+
90
...
(
1
)
, and,
180
2
Since,
23
, by (1), we get,
−
Using this in
, we get,