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Question

x22x+1x1×2x4x23x+2 = ?

A
1
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B
2
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C
x1
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D
x2
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Solution

The correct option is B 2
x22x+1x1×2x4x23x+2
Factor of x22x+1=(x1)(x1)
Factor of x23x+2=(x1)(x2)
So, (x1)(x1)x1×2(x2)(x1)(x2)
After simplifying, we get
=2

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