Solve these equations, giving your answers in exact form a e 2x 8ex 12 0 b e 4x 3e 2x 2 c (ln x) 2 2 ln x 15 0 d e x 5 4e x 0 e 3e 2x 5 16e x f (ln x) 2 4(ln x 3) ...

a To solve the equation e2x 8ex 12 0 we can observe that it is a quadratic equation in terms of ex We can substitute y ex then the equation becomes y2 ...

Solve these equations, giving your answers in exact form. a. e 2x 8ex + 12 =

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Solve these equations, giving your answers in exact form.

a. e^2x − 8ex + 12 = 0

b. e^4x − 3e^2x = −2

c. (ln x)² + 2 ln x − 15 = 0

d. e^x − 5 + 4e^−x = 0

e. 3e^2x + 5 = 16e^x

f. (ln x)² = 4(ln x + 3)

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Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

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Authors: Greg Attwood

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Solve these equations, giving your answers in exact form. a. e 2x 8ex + 12 =

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a To solve the equation e2x 8ex 12 0 we can observe that it is a quadratic equation in terms of ex We can substitute y ex then the equation becomes y2 ...View the full answer

Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

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