aieee test 1

JEE Advanced Coaching › Test Series questions › aieee test 1

question no 72) maths - what is the value of |log(i)| where i is √-1?

a)pi/2
b)pi/3
c)1/2
d)0

#Miscellaneous #Test Series

UP 0 DOWN 0 0 8
Post on FacebookPost anonymously?

8 Answers

106

Asish Mahapatra ·2009-04-16 20:17:09

llog(i)l = llog(e^iÏ€/2)l
= l iÏ€/2 l
= Ï€/2

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

Optimus Prime ·2009-04-16 20:22:13

but dude log(i)=0 the e⁰=√-1

1=√-1
1=1

hence i think 0 shud be the answer

UP 0 DOWN 0
Post on FacebookPost anonymously?

106

Asish Mahapatra ·2009-04-16 20:24:57

why log(i) = 0 ??

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

Optimus Prime ·2009-04-16 20:26:32

since they have asked to find the value of log i only when the value of log i is 0 the equation is satisfied

UP 0 DOWN 0
Post on FacebookPost anonymously?

106

Asish Mahapatra ·2009-04-16 20:27:58

which equation??

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

Optimus Prime ·2009-04-16 20:28:41

dude when we take log i =0 then only lhs =rhs

UP 0 DOWN 0
Post on FacebookPost anonymously?

62

Lokesh Verma ·2009-04-16 20:28:50

no amit..

see e⁰=1

when did it start becoming i??

UP 0 DOWN 0
Post on FacebookPost anonymously?

1

Optimus Prime ·2009-04-16 20:38:37

ohh sorry kick me for such a mistake

UP 0 DOWN 0
Post on FacebookPost anonymously?

Your Answer

Basic Integral Calculus Operators Symbols Matrix Cases

√ √ || {} [] () → ~ ^ x x x → → ln log lg lim lim cos sin tan cot arcsin arccos arctan

∫ ∫ ∫ ∫ ∫ ∬ ∬ ∬ ∬ ∬ ∭ ∭ ∭ ∭ ∭ ⨌ ⨌ ⨌ ⨌ ⨌

∑ ∑ ∑ ∑ ∑ ∮ ∮ ∮ ∮ ∮ ∏ ∏ ∏ ∏ ∏ ∐ ∐ ∐ ∐ ∐

+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω