AIEEE Test 1

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90 Answers

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1

anay pandey ·2009-01-18 22:14:48

sir....

i missed d test.....

how can i get the downloadable file....

i also missed d iit-jee phase test 4...

plz help....

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1

Siddharth S ·2009-01-17 08:52:44

When are the changes being made?
And,
I wanted to bring to notice qn 3. Consider a cylinder (or anything else where friction will act) rolling down on an inclined plane. what is the direction of friction? It will be upward ( as far as I know). But the displacement is in the other way.

Hence, my conclusion is that it really doesn't depend on relative slipping, but on cases like these also.

Please point out mistakes in my solution, if any.
Thanks.

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62

Lokesh Verma ·2009-01-17 07:06:19

srinath could u please post the question numbers! :O

I dont think that should be the case.. but stil..

Yeah there is no pinking for these threads ;) :P

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1

skygirl ·2009-01-17 06:05:10

there's no pink here coz ....

there is nothing to be pinked [3] [3]

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1

skygirl ·2009-01-17 02:42:19

q.no 31. fact ???? there was a fact that if we rotate the 'mirror' by an angle Î¸ , reflected ray gets rotated by 2Î¸. but here we are roating jus incident ray!

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11

Anirudh Narayanan ·2009-01-17 05:06:44

Everybody has forgotten pink.

There is not even 1 pink post in this thread [3]

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11

Subash ·2009-01-17 04:08:04

thanx bhaiyya i can wait

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1357

Manish Shankar ·2009-01-17 04:07:10

we will see if something can be done to provide ans and solution of the test, very soon

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1

skygirl ·2009-01-17 04:06:29

okie....

thanx [1]

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11

Subash ·2009-01-17 04:05:00

when can i get them

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1357

Manish Shankar ·2009-01-17 04:04:16

right now you can't

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11

Subash ·2009-01-17 04:02:27

manish bhaiyya can i get the answers

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1357

Manish Shankar ·2009-01-17 04:00:43

chlorobenzene is weakly deactivating because of high electronegativity of chlorine and is less reactive than benzene

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1357

Manish Shankar ·2009-01-17 03:58:57

For 73
there is only one solution x=pi/4

but for the eqn (tan3x-tan2x)/(1+tan3x.tan2x), 2x=pi/2

so the solution x=pi/4 does not satisfy

so none of these

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1

skygirl ·2009-01-17 03:50:28

given ans: none of these..

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11

Anirudh Narayanan ·2009-01-16 22:23:25

yup, even i was abt to say that

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11

Anirudh Narayanan ·2009-01-16 22:43:58

Q 84 bhaiyyah?

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1357

Manish Shankar ·2009-01-16 22:43:42

ok we will see the other questions

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1357

Manish Shankar ·2009-01-16 22:42:16

Q48 will be corrected

Q25 think more

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1

Akshay Pamnani ·2009-01-16 22:41:48

That is also wrong
was going to come to that

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11

Anirudh Narayanan ·2009-01-16 22:40:39

In Q84,

âˆ«e^x/(1+e^x)² dx

Put e^x=t => e^xdx=dt

thus required is

âˆ«dt/(1+t)² = - 1/(1+t)

So answer is -1/(1+e^x)

I think there was no such option and so I ticked none of these.[2]

What is wrong in the above solution, bhaiyyah??? I'm really [7]

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1

Akshay Pamnani ·2009-01-16 22:35:15

Bhaiyah yaar reply toh karo

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11

Anirudh Narayanan ·2009-01-16 22:30:12

Bhaiyyah, pls provide options also in the analysis of a test.

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1

Akshay Pamnani ·2009-01-16 22:27:24

f(x)=x+1
F(x+y)=x+y+1
f(x)+f(y)=x+1+y+1=x+y+2
D

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11

Anirudh Narayanan ·2009-01-16 22:25:33

FOR Q 80:
Why is the answer wrong, akshay? I substituted values and got that answer only.

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1

Akshay Pamnani ·2009-01-16 22:24:26

81
The answer given is the minimum value not the max.
max. is âˆž

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11

Anirudh Narayanan ·2009-01-16 22:24:19

NEW RECORD:

THREE CONSECUTIVE REPLIES, POSTED AT THE SAME TIME [3]

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1357

Manish Shankar ·2009-01-16 22:49:03

84

(e^x+1-1)/(1+e^x)+c

1-1/(1+e^x)+c

-1/(1+e^x)+C

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1

Akshay Pamnani ·2009-01-16 22:23:18

Q80
It was the easiest question but answer given is wrong,check it

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106

Asish Mahapatra ·2009-01-16 22:23:09

ya that too i was going to come to that

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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