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Oliga [24]
3 years ago
13

PLEASE HELP ILL GIVE BRAINLIEST !!! 100 POINTS !! NO FAKE ANSWERS !

Mathematics
2 answers:
Molodets [167]3 years ago
8 0

Answer:

10-5i

Step-by-step explanation:

Conjugate is the change of sign

so I changed the + sign to -

svet-max [94.6K]3 years ago
6 0

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.

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