plz solve these??chapter-functions

IIT JEE Guidance › Calculus questions › plz solve these??chapter-functions

Q1->the total number of solution of sin 3.14x=|log|x||??(3.14=pie)
Q2->what is odd and even extension??
Q3->total number of ways of factorising the number of 676 in 2 factors that are prime to each other??
Q4-> total number of solutions of [sinx]+cosx=0,where []=GIF????and xâ‰¡[0,100pie]??

#Mathematics #Calculus

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7 Answers

1

prateek mehta ·2010-08-10 23:19:13

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prateek mehta ·2010-08-10 23:25:36

2 solutions for the interval xE[0,1]

0 solution for the interval xE(1,2]

2 solutions for the interval xE(2,3]

beyond that no solution ..

so the answer is 4

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1

prateek mehta ·2010-08-10 23:39:16

4) zero

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jangra28192manoj jangra ·2010-08-11 00:52:09

in the 4th question
in the intervel (0,2pi) answer is no solution. prateek is right

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jangra28192manoj jangra ·2010-08-11 00:55:25

inthe 1st question there are total six solution
2 solutions are in the interval [-2,-1]

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prateek mehta ·2010-08-11 01:21:23

oops.... silly mistake.sory.....yes [-2,-1] will also be included making the total no of solutions 6...

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ujjwalkalra kalra ·2010-08-11 01:32:59

man gaya na bola tha tuje phone pe 6 sol honge

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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