If the point (a,a) are placed in between the lines |x+y|=4, then
A
|a|=2
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B
|a|=3
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C
|a|<2
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D
|a|<3
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Solution
The correct option is D|a|<2 Lines x+y=4 and x+y=−4 are parallel and points (2,2) and (−2,−2) lie on these lines. If point (a,a) lies between the lines then a>−2 and a<2 i.e., −2<a<2⇒|a|<2