chhote chhote limits....

AIEEE 2015 Sample Questions › Calculus questions › chhote chhote limits....

Q1. lim(xâ†’2a) [√x-2a + √x - √2a]/[√x²-4a²]

Q2. lim(xâ†’âˆž)2x(√x²+1 - x)

#Mathematics #Calculus

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85 Answers

1
2
3

11

Mani Pal Singh ·2009-03-05 07:20:07

99 Ques ka answer -1/2 aa raha hai
TARIKA 1
use l hospital(thoda mushkil hoga)
TARIKA 2
sin^-1x ko tan^-1(âˆš1-x²/x) likh kar formula use kar le (not preferred ..... lamba padega)
TARIKA3
simply use expansion[1]

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106

Asish Mahapatra ·2009-03-05 07:16:21

@MANI 98 ANS. IS x/2....

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11

Mani Pal Singh ·2009-03-05 07:12:59

98 Ques mein simply use
[x]=x-{x}
upper niche highest coeff le leo
answer should be

x/2(edited) sorry choti si mistake ho gaya but the funda should be CLEAR

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11

Mani Pal Singh ·2009-03-04 22:35:42

jin pe gole lage hain
woh sab batane hain[7]

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11

Mani Pal Singh ·2009-03-04 23:16:57

1st term to 1^âˆž form hai
i have told u earlier in post 41 how to solve that
2nd term pe la hospital laga de
3rd bhi 1^âˆžform hai
ans is 1 -1/2+1
i.e
3/2

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39

Dr.House ·2009-03-04 23:15:52

152 ka question ka mathlab kya hain?

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39

Dr.House ·2009-03-04 23:14:03

99 , do it by taking expansions of sin^-1x and tan^-1x and sinx

i mean binomial expansions

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106

Asish Mahapatra ·2009-03-04 23:13:21

78. lim(xâ†’0) ((cosx)^cotx + log(cosx)/x² + (secx)^cosecx)

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39

Dr.House ·2009-03-04 23:12:26

Q 98 IS DIRECT SANDWICH THOREM NA...........................................

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11

Mani Pal Singh ·2009-03-04 23:11:15

78 ques mein aakhri term dikh nahi rahi

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106

Asish Mahapatra ·2009-03-04 23:10:37

yes 65 is correct...
i know we can use l'hospital for 0/0 or âˆž/âˆž form...

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11

Mani Pal Singh ·2009-03-04 23:08:33

aur ek aur baat we can use la hospital when we have o/o form ORâˆž/âˆž form

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11

Mani Pal Singh ·2009-03-04 23:07:19

ashish check the steps if we r wrong then tell us
we cant do anything about the answers given to u

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106

Asish Mahapatra ·2009-03-04 06:13:51

yes explain.... i will explain my answer later.... matlab in 20 mins time...

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3

iitimcomin ·2009-03-04 06:28:39

YEP I KNOW .. CHUMA POSTED... DATZ Y I ROTE STD. 1 ,,,,, I DEL. IT NOW ...........

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106

Asish Mahapatra ·2009-03-04 06:28:35

Q1. koi karo.. haan mathie plz do Q1.

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106

Asish Mahapatra ·2009-03-04 06:28:07

Q3. even i think limit does not exist but ans given is 1

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106

Asish Mahapatra ·2009-03-04 06:27:30

guys post any questions that u have but please number them accordingly....

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106

Asish Mahapatra ·2009-03-04 06:26:55

@ iitimcomin... that answer is x/2....

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39

Dr.House ·2009-03-04 06:26:26

iitcomin its obvios dude, use wat we call asa SANDWICH THEOREM. its a direct answer.

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3

iitimcomin ·2009-03-04 06:25:15

sry even u posted a question... shud i del. mine .. itll bcome mess....[2][2][2][2]

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106

Asish Mahapatra ·2009-03-04 06:24:24

Q3. lim(xâ†’0)lxl^sinx

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1

skygirl ·2009-03-04 06:22:09

sky hi achha tha :( ab change nahi hora :'( :'(

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106

Asish Mahapatra ·2009-03-04 06:14:30

thanks star aka sky....

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1

skygirl ·2009-03-04 06:32:22

q.3 ka ans 1 hai kya ??

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1

skygirl ·2009-03-04 06:13:42

second one jus multiply upar-niche with conjugate..

then u will know wat u need to do...

ans is 1.

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1

spiderman ·2009-03-04 06:12:24

first 1 / root 4a if not gint

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106

Asish Mahapatra ·2009-03-04 06:09:42

they are just square brackets not GIF..

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1

spiderman ·2009-03-04 06:09:09

pavan second question ko l hospitals se kaise karengay ??? [7]

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106

Asish Mahapatra ·2009-03-04 06:08:44

ans for Q1. is given as 1/2√a

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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

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