mackenziep
mackenziep
10-08-2017
Mathematics
contestada
Simplify the expression
Respuesta :
jdoe0001
jdoe0001
10-08-2017
[tex]\bf (-9\cdot i)(-9\cdot i)\implies -9i\cdot -9i\implies +9^2i^2\implies 81i^2 \\\\\\ 81(\sqrt{-1}\cdot \sqrt{-1})\implies 81(\sqrt{(-1)^2})\implies 81(-1)\implies \boxed{-81}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 65+ )
Otras preguntas
what is x equal to when 2x+5=13
A collector has 120 movies posters and 100 band posters. She wants to sell movie posters but still have her poster collection maintain the same ratio of 120: 10
What type of government does Madagascar have?
How did Charlemagne create an empire that blended several different traditions?
Jan received - 22 points on her exam she got 11 questions wrong out of 50 questions how much was jan penalized for each wrong answer
hello !! 1 question : one serving of pasta contains 210 calories.what percentage of a 2000-calorie diet is contained in one serving of paste ? 2 question : a ba
What is 0.0625 in a fraction in simplest form?
Please solve with all work shown in independent lines and proper labelling that is easy to understand. Monica earns $19.31 per hour. Chris earns $15.07 per hour
What two union victories further weakened the confederacy?
Please write the explanation thanks
