another simple one.....

stat1 : if eccentricities of two ellipses are same then their areas are also same.

stat2 : (a2 - b2)/a2 = (a'2 - b'2)/a'2

17 Answers

1
skygirl ·

if not mentioned ...

we shud take it in std form ...

btw, IIT or in any other entrance they will properly give wat is a, b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z :P :P ...

11
rkrish ·

sorry for faltu ques. but since i came across such ques some time back,so just asked as i didnt know wat to mark.I had marked C but ans given was D,although both were wrong.& options were same as those in IIT.

33
Abhishek Priyam ·

Bich bich me thoda change hona chahiye... [3]

11
Mani Pal Singh ·

sky from where u took this ques?????????/

1
skygirl ·

both are never wrong...

11
Mani Pal Singh ·

faltu topics pe discuss karne se accha why dont we conc on ques

33
Abhishek Priyam ·

if both are wrong then in option there will be that..

11
rkrish ·

A DOUBT....(not related to this ques)
what do we mark if both st are wrong (D) or (C)

(A)........
(B)............
(C)St 1 is true,St 2 is false
(D)St 1 is false,St 2 is true

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3
msp ·

wait sky will the iits give wat is

a'b'c'd'e'.................z'

3
msp ·

stat 1 is false and stat 2 is true

3
msp ·

is stat 1 and 2 is rong is possible.

in stat 2 they didn mention wat is a,b,a',b'

3
msp ·

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1
skygirl ·

ans given is C .

dat means jus ulta of our understanding [3]

i am confused !#@$#%$^$&

11
Mani Pal Singh ·

u could anlyse it as horzontal or vertical ellipse

11
Mani Pal Singh ·

statement 1 is not true as a>b or b>a
so st 1 is false
no need to check the 2nd one so D

1
skygirl ·

arey i also thot same... [2]

ans is diff...[2] [2] [2]

3
msp ·

the stat 2 can be simplifid as

b/a=b'/a'

∩ab/a2=∩a'b'/a'2

A1/A2=a2/a'2

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