Question

Perform the given operation :
(1+5i) (5+3i)

Answer 1

-10 + 28i

Explanation:

Answer 2

Given ↓

• (1+5i)(5+3i)

To Find ↓

• (1+5i)(5+3i)

Calculations ↓

Multiply the binomials ↓

1*5+3i+(5i*5)+(5i*3i)

Simplify ↓

5+3i+25i+15i²

Combine like terms ↓

5+28i+15i²

Now, since i is the square root of -1, i² (i times i) is equal to -1 ↓

5+28i-15

28i-15+5

28i-10

So the final ans is 28i-10

hope helpful ~