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Question

The value of ∣ ∣x+1x+2x+4x+3x+5x+8x+7x+10x+14∣ ∣ is

A
-2
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B
2
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C
0
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D
1
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Solution

The correct option is A -2
Performing C3C3C2 and C2C2C1
∣ ∣x+112x+323x+734∣ ∣
=(x+1)(1)1(4x+123x21)+2(3x+92x14)
=x1+9x+2x10
=2

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