Evaluate x , ,3 , (4x^2 , + , 3) - Vidyadip

MCQ

Evaluate $ \underset{\text{x}\, \rightarrow\,3}{\lim}\, (4\text{x}^2\, +\, 3)$

A
36
B
39
C
40
D
None of these

✓

Answer

39

Solution:

$ =\displaystyle \lim _{\text{x}\rightarrow 3 }{ \left( 4{ \text{x} }^{ 2 }+3 \right) } =4{ \left( 3 \right) }^{ 2 }+3=36+3=39$

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