If α , β are the roots of the equation a x 2 + b x + c = 0 , then lim x → α ( x − α ) 2 1 − c o s ( a x 2 + b x + c ) =

Question

If α , β are the roots of the equation a x 2 + b x + c = 0 , then lim x → α ​ ( x − α ) 2 1 − c o s ( a x 2 + b x + c ) ​ =, a 2 ( α − β ) 2, 4 a 2 ( α − β ) 2, 2 a 2 ​ ( α − β ) 2, 2 a 2 ( α − β ) 2

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