If , then is
- (A)
- (B)
- (C)✓ Correct
- (D)
Answer: (C)
Solution
The tower of exponents repeats itself, so the exponent is just again, giving . Taking logarithms, , so . Differentiating, .
JEE Main · 2004 · 24 Apr 2004 · Offline · Single correct option
Answer: (C)
JEE Main · 2004 · 24 Apr 2004 · Offline · Single correct option