peaceouthjkdrb1098 peaceouthjkdrb1098
  • 14-04-2022
  • Mathematics
contestada

If f(x) = x3 – 2x2, which expression is equivalent to f(i)? –2 i –2 – i 2 i 2 – i

Respuesta :

kdeschene1
kdeschene1 kdeschene1
  • 14-04-2022

Answer:

Answer

d) 2 – i

Explanation

f(x) = x³ – 2x²

When x = i, we proceed as follows.

Note: i =

         i² =(√-1)(√-1) =  -1

         i³ = (√-1)(√-1)(√-1) = -1(√-1) = -1i = -i

f(x) = x³ – 2x²

f(i) = i³ – 2i²

    = -i – 2(-1)

    = -i + 2

     = 2 – i

Step-by-step explanation:

Answer Link

Otras preguntas

Pls help me with my French work
A farm is sold for €457 000, which gives a profit of 19%. Find the profit​
What is the value of y? 3 зу, 2y
How many of the hypothetical offspring produced during this lab activity had the same phenotype?
The idea of___is derived from the government of the Roman? A Checks and balances B. Universal suffrage C. Life, liberty and the pursuit of happiness D. all of
Footlocker in the mall is having a 25% off sale on all tennis shoes. Joe paid $67.50 for his favorite tennis shoes that were on sale. What was the original pric
Simplify the expression: (50 + 4)(2)
pls help help help help help help help ​
What geographic feature is caused by subducting plates on the ocean floor? peninsula trenches plateaus oasis
Using standard heats of formation, calculate the standard enthalpy change for the following reaction. 4HCl(g) + O2(g)—>2H2O(g) + 2Cl2(g)