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If 1345x+2241x6=0 then x equals

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a
17, 21
b
0, 19
c
0, 35
d
21, 35

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detailed solution

Correct option is C

Using R2→R2+5R1,R3→R3−4R1we get 1−340x−1322013x−22=0⇒(x−13)(x−22)−(13)(22)=0⇒x(x−35)=0⇒x=0,35


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