Question:medium
If the sum of the coefficients in the expansion of \( (a^2x^2 - 2ax + 1)^{51} \) is zero, then \( a \) is equal to
If the sum of the coefficients in the expansion of \( (a^2x^2 - 2ax + 1)^{51} \) is zero, then \( a \) is equal to
Show Hint
To find sum of coefficients, always substitute \( x = 1 \).
Updated On: May 1, 2026
- \( 0 \)
- \( 1 \)
- \( -1 \)
- \( -2 \)
- \( 2 \)
Show Solution
The Correct Option is B
Solution and Explanation
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