Mathematics · Continuity and Differentiability
If a real valued function f(x) defined by f(x) = x2 + (a+3)x + (a+1)x + 3 when x ≠ -3, and f(x) = -52 when x = -3, is continuous at x = -3, then limx→a (x2 + x + 1) =
- 125
- 247
- 352
- 474✓
Correct answer
74
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