3 years ago

Please help me solve this.

Mathematics

2 answers:

Vladimir [108]3 years ago

6 0

Answer:

Step-by-step explanation:

i dont know man sorry

masha68 [24]3 years ago

3 0

Answer:

u + v

=2-i + -4+ 5i

=2-4+5i-1i

= -2+4i

u- v

=2- 1i - -4 + 5i

=2+4 +5i-1i

=6+4i

u × v

=2- 1i × -4 + 5i

= -8 +4i +10i -5i

= -8 + 14i - 5i

= -8 + 9i

u ÷ v

= 2- 1i ÷ -4 +5i

= -2+2.5i - 4i - 5

= -2-5 + 2.5i - 4i

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