Solution: (1) f (x) is defined if a] x - 1 > 0 ⇒ x > 1 b] 2x - 1 > 0 ⇒ x > 1 / 2 c] 2x - 1 ≠ 1 ⇒ x ≠1 The domain of f (x) is... View Article
Solution: (3) f (n) = 8 - n Pn - 4 The domain becomes, 8 - n ≥ 0 and n - 4 ≥ 0 8 ≥ n and n ≥ 4 n - 4 ≤ 8 - n 2n ≤ 12 n ≤ 6 If n = 4,... View Article
Solution: (2) A function is called even when f (-x) = f (x) f (-x) – f (x) = 0 On differentiating at x = e, f ' (e) + f ' (-e) = 0 f '... View Article
Solution: (4) f (x) = cosec23x + cot 4x The period of cosec²x is π and the period of cosec²3x is π / 3. The period of cotx is π and the... View Article