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Q.

If a ≤ 0, then the root of the equation x2−2a|x−a|−3a2=0

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a

(1−2)a

b

(−1+6)a

c

(1+2)a

d

−(1+6)a

answer is A.

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Detailed Solution

If x−a<0,|x−a|=−(x−a)equation becomes x2−2a(x−a)−3a2=0⇒x2+2ax−5a2=0⇒x=−(1+6)a,(−1+6)a ∵ x

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