8-i3-2i

If the expression above is rewritten in the form a+bi, where a and b are real numbers, what is the value of a? (Note: i=-1)

Question

Genesis Faulkner

Mathematics

13 November, 07:56

8-i3-2i

If the expression above is rewritten in the form a+bi, where a and b are real numbers, what is the value of a? (Note: i=-1)

+3

Answers (2)

Know the Answer?

Jaylen Bradshaw · Answer 1

8

Step-by-step explanation:

somewhat confusing Q ... going w wat the OP said in comments: i3 is i x 3, then it becomes 8 - ix3 - 2i

= 8 - 5i

so a = 8

Jefferson Campos · Answer 2

a=8

Step-by-step explanation:

8-i3-2i

= 8 - (3+2) i

=8-5i

in the form of a+bi

a=8

b=-5

8-i3-2iIf the expression above is rewritten in the form a+bi, where a and b are real numbers, what is the value of a? (Note: i=-1)

8-i3-2i

If the expression above is rewritten in the form a+bi, where a and b are real numbers, what is the value of a? (Note: i=-1)