annafhobbins annafhobbins
  • 25-01-2020
  • Mathematics
contestada

e^2x + 3e^x - 18 = 0

Respuesta :

divinedivena divinedivena
  • 25-01-2020
Let e^x = a
a^2 + 3a - 18 = 0
(a - 3)(a + 6) = 0
a = 3, -6
e^x = 3, -6 (rejected as -6 <0)
x = ln3
Answer Link

Otras preguntas

the renaissance spread from which country to france and then into the low countries?
what ratios are less than 8 to 10
Describe how repetition and variety intensify meaning in Elizabeth Barrett Browning's Sonnet 43
Read the excerpt. Which phrase is a context clue that can help determine the meaning of the word demographic? Plenty of evidence exists about the hazards invRea
1. You have a chance to buy a promissory note. Natalia Sandino borrowed some money from her mother, agreeing to repay her with 72 monthly payments of $350. Na
All of the following climate regions are located in East Asia except the __________ region. A. humid subtropical B. tropical wet and dry C. highlands D. semiar
A marketing manager wants to have a strong two-way communication of ideas with customers and he considers it to be very important to directly ease customer conf
How did the Battle of the Coral Sea impact Japan’s war strategy?
If Matrix A has dimensions 1x3 and Matrix B has dimensions 3x4, can these be multiplied?
What is the difference between independent variable and dependent variable? I’m confused as to if time is the independent variable or the cost is.