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JEE Advanced Mathematics question

MathematicsTrigonometric Ratio and IdentitiesJEE Advanced

The number of values of the triplet for which

a 2x+bx+c=0

is satisfied by all real is

Answer: (D)

Solution

Using :

a(1-2x)+bx+c=0 (b-2a)x+(a+c)=0 .

Since takes more than one value, this holds

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Question ID VK-107894