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Values of x corresponding to y= 2 are x_{1} and x_{2} \left ( x_{1}>x_{2} \right ) and corresponding to y= 0 is x_{3}, then x_{1}+x_{3}-x_{2} equals

 


 

Option: 1

4


Option: 2

0


Option: 3

-4

 


Option: 4

2


Answers (1)

best_answer

Answer : (a)

From graph, values of

\begin{aligned} &x \text { for } y=2 \text { are } \\ &2 \text { and }-2 \text {. } \end{aligned}

\\So, x_{1}=2, x_{2}=-2 \\For \; y=0, \quad x_{3}=0.

\text { So } \begin{aligned} & x_{1}+x_{3}-x_{2} \\ =& 2+0-(-2)=4 . \end{aligned}

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