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Question

If x=1 is a root of the equation ∣ ∣2x3334x5354x∣ ∣=0 then the other roots are

A
0,11
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B
11,12
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C
0, 12
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D
1,11
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Solution

The correct option is B 0,11
R2R2R3

∣ ∣2x3301x1+x354x∣ ∣=0

C2C2+C3

∣ ∣2x63001+x39x4x∣ ∣=0

(x+1){(x2)(x9)18}=0
(x+1)(x211x)=0
x(x+1)(x11)=0
other roots
x=0 and 11

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