Ouellettecj901 Ouellettecj901

01-01-2021
Mathematics

contestada

PLEASE HURRY!!!!!!
Express [tex](\frac{\sqrt{2} }{5} +\frac{5}{2}i)^{2}[/tex] in simplest a+bi form.

Respuesta :

LammettHash LammettHash

01-01-2021

Expand the binomial:

(√2/5 + 5/2 i )² = (√2/5)² + 2i (√2/5) (5/2) + (5/2 i )²

… = 2/25 + √2 i + 25/4 i ²

… = -617/100 + √2 i

Answer Link

Otras preguntas

which trinomial is equivalent to (3x-1)(x+4)

what is the sum of 7/10 and 6/100

Explain what is the same about two fractions that are like fractions

what is the sum of 7/10 and 6/100

having troubles with inequalities.. 3.8x + 14.5 < 32

having troubles with inequalities.. 3.8x + 14.5 < 32

what is the sum of 7/10 and 6/100

having troubles with inequalities.. 3.8x + 14.5 < 32

what is the sum of 7/10 and 6/100

which trinomial is equivalent to (3x-1)(x+4)