Question

1) If z=7 + 3i then find 5z.​

Answer 1

The answer is 5z = 35 + 15i

Step-by-step explanation:

Given: z=7+3i

Then 5z is given by

$= > 5 \times (7 + 3i)$

$= > 5 \times 7 + 3 \times 5i$

$= > 35 + 15i$

5z = 35 + 15i

Answer 2

The value of 5z is 35+15i

Step-by-step explanation:

Given : $z=7 + 3i$

To Find : Find the value of 5z

Solution :

$z=7 + 3i$

Multiply both sides by 5

$5z=5(7+3i)$

$5z=35+15i$

Hence The value of 5z is 35+15i

#Learn more:

5z+1/3=7 find the value of z

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