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Byju's Answer
Standard XII
Mathematics
Parametric Differentiation
Evaluate lim...
Question
Evaluate
lim
x
→
π
4
1
−
tan
x
x
−
π
4
A
−
√
7
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B
−
√
2
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C
√
2
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D
None of these
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Solution
The correct option is
B
−
√
2
lim
x
→
π
4
1
−
tan
x
x
−
π
4
Apply L Hospital Rule
lim
x
→
π
4
−
(
tan
x
sec
x
)
=
−
1
×
√
2
=
−
√
2
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0
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