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

when shortening a sentence would you use the connective a prefix a adjective or phrase when shortening
fill in the common equivalents. 1.) 66 2/3% 2.)3/4 =_____%
Which president built a 40-nation coalition under the United Nations to force Iraq to withdraw after it invaded Kuwait in 1990? a. George H.W. Bush b. B
In what way did Sigmund Freud advance our understanding of psychology
A physician listens to a patients chest, and then examines the patients eyes. the eyes are located chest. a. posterior b. distal c. medical d. superior
What colony did the British help create for freed slaves in West Africa in 1787? Sierra Leone Liberia Nigeria Gold Coast
What are the three types of RNA and what are their functions?
What is the cloud of gases that forms around the nucleus of a comet called? a. coma b. gas tail c. dust tail d. Giant Red Spo
large plate in catering
What rights are specifically protected under the ninth amendment