Question

write the conjugate of the following complex numbers
-12i​

Answer 1

Answer:

ANSWER

7+i

5i

⋅

7−i

7−i

, rationalize the denominator

=

7

2

−i

2

5i(7−i)

=

49+1

35i−5i

2

=

50

35i+5

=

10

1

+

10

7

i

Hence conjugate is

10

1

−

10

7

i

Note: Conjugate of x+iy is x−iy