Perform the indicated operations and write the result in the form of a + bi

(3 - 2i) (4 + 3i)

Question

Mathematics

Addison

17 June, 19:49

Perform the indicated operations and write the result in the form of a + bi

(3 - 2i) (4 + 3i)

+2

Answers (1)

Know the Answer?

Zimmerman · Answer 1

Remember:

i=√-1

i² = (√-1) (√-1) = - 1

(3-2i) (4+3i) =

= (3*4) + (3*3i) + (-2i*4) + (-2i*3i)

=12+9i-8i-6i²

=12 + (9i-8i) - (6*-1)

=12+i+6

=18+i

Answer: (3-2i) (4+.3i) = (18+i)

Perform the indicated operations and write the result in the form of a + bi(3 - 2i) (4 + 3i)

Perform the indicated operations and write the result in the form of a + bi

(3 - 2i) (4 + 3i)