Q69. is equal to lim x→π4 √2−√2 sin 2x (1) 14 (2) 7 (3) 14√2 (4) 7√2
What This Question Tests
This limit problem requires careful algebraic manipulation using trigonometric identities, substitution, and application of L'Hopital's Rule or series expansion for a complex 0/0 form.
Concepts Tested
Formulas Used
L'Hopital's Rule
sin(2x) = 2sin(x)cos(x)
a^n - b^n
📚 NCERT Sections This Tests
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14.2 Which of the statements given in Exercise 14.1 is true for p-type semiconductos.
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1.3 Define the following terms: (i) Mole fraction (ii) Molality (iii) Molarity (iv) Mass percentage.
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7.14 Give two reactions that show the acidic nature of phenol. Compare acidity of phenol with that of ethanol.
📋 Question Details
- Chapter
- Limits & Continuity
- Topic
- Evaluation of limits
- Year
- 2022
- Shift
- 25 Jul Shift 2
- Q Number
- Q69
- Type
- MCQ
- NCERT Ref
- Class 12 Mathematics Ch 5: Continuity and Differentiability
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