Question

If z1 = 3 – 4i and z, = 10 - 9i then find 2z, + 5z.​

Answer 1

Answer:

z=10-9i (given)

Therefore, 2z+5z=2(10-9i)+5(10-9i)

=20-18i+50-45i

=70-63i is the answer.

HOPE THIS HELPS..( z1=3-4i no point of using in this question. )