Question:medium
If the equations \( x^2 + ax + 1 = 0 \) and \( x^2 - x - a = 0 \) have a real common root, then the value of \( b \) is
If the equations \( x^2 + ax + 1 = 0 \) and \( x^2 - x - a = 0 \) have a real common root, then the value of \( b \) is
Show Hint
Subtract equations to eliminate variables in common-root problems.
Updated On: May 1, 2026
- \( 0 \)
- \( 1 \)
- \( -1 \)
- \( 2 \)
- \( 3 \)
Show Solution
The Correct Option is C
Solution and Explanation
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