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Solving Equations Involving Radicals

Hi,

I'm only getting one Answer instead of two (see below).

Thanks in Advance


 

Example 4: Solving Equations Involving Radicals

 

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"ex4a(x):=sqrt(2 x+7)-x-2"

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proc (x) options operator, arrow, function_assign; sqrt(2*x+7)-x-2 end proc

(1.1)

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"->"

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NULL

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NULL

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NULL

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sqrt(2*x+7)-x-2

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(2*x+7)^(1/2)-x-2

(1.2)

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"(->)"

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[[x = 1]]

(1.3)

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NULL

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2*x+7 = x^2+4*x+4

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2*x+7 = x^2+4*x+4

(1.4)

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"(->)"

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[[x = -3], [x = 1]]

(1.5)

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x^2+2*x-3 = 0
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NULL

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x^2+2*x-3 = 0

(1.6)

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

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

(1.7)

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"(->)"

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[[x = -3], [x = 1]]
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``

(1.8)

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``


 

Download Radicals.mw


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