Which of the following is the conjugate of a complex number with 3 as the real part and −5 as the imaginary part?

−5i + 3

−5i − 3

3 − 5i

3 + 5i

Question

Which of the following is the conjugate of a complex number with 3 as the real part and −5 as the imaginary part? 

 −5i + 3 

 −5i − 3 

 3 − 5i 

 3 + 5i

gavin39 · Answer

I give medals

cwrw238 · Answer

hint 
the conjugate of a - bi  is a + bi

gavin39 · Answer

What do you mean by that @cwrw238 im not that good at this stuff

gavin39 · Answer

@Haseeb96

haseeb96 · Answer

3-5i
taking conjucate so, 
3+5i
this is the correct answer

gavin39 · Answer

so 3 + 5i is the correct answer? @Haseeb96

cwrw238 · Answer

in your case a = 3 and b = 5

haseeb96 · Answer

3+5i

cwrw238 · Answer

the a and b means any real number

cwrw238 · Answer

just change the sign to get the conjugate 
eg conguate of  2 + 2i is 2 - 2i