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If the sum of the coefficient in the expansion of `(alpha^2x^2-2alphax+1)^(51)` vanishes, then find the value of`alpha`

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If the sum of the coefficient in the expansion of `(alpha^2x^2-2alphax+1)^(51)` vanishes, then find the value of`alpha`
A. 2
B. -1
C. 1
D. -2
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Correct Answer - C
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