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Q.15) If \( x^2 + ax + b = 0 \) and \( x^2 + bx + a = 0 \) have exactly one common root, find the value of \( (a + b) \).
a. -1
b. 1
c. 2
d. 5
e. None of these
Started 2 months ago by Mayur Godhani in
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