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19. What is the roots of the equation 3x + 3/x = 10?
a. 3,-1/3
b. -3,-1/3
c. 3-1
d 3,173​

Sagot :

DeanGD20go

Answer:

3, 1/3 (D)

Step-by-step explanation:

Given: 3x + 3/x = 10

Multiply each side by x, then:

x(3x + 3/x) = x(10)

3x² + 3 = 10x

3x² - 10x + 3 = 0

(3x - 1)(x - 3) = 0

x = 1/3, 3

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~~DeanGD20

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