If f(x) = x2 + 4x + 1 and g(x) = x + 3, then the roots of the quadratic equation g[f(x)] will be
Explanation:
g(f(x)) = (x2 + 4x + 1) + 3 = x2 + 4x + 4 = (x + 2)2
The roots are same i.e., -2
Hence, option (a).
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