CGL 2012 Tier 2 Preparations and Results

@JS-M pehle least value of 4sec^2(a)+9cosec^2(a) bata
@rahulshaitan said:
bhai agar hai to please mention the approximate page number. me bhi dekh lunga
arey dada usi par toh itna bawaal much gaya yaha pe... socha dinner karte karte type kar deta hu soln.... as somebody asked...par typo error ho gaya... anyway ...

the Qn was If x+1/x=1 then find x^12+x^9+x^6+x^3+1 = ?
The soln is ... x+1/x =1 so, x^2-x+1 = 0
or, (x^3+1) = (x+1)(x^2-x+1) = 0
=> x^3 = -1................... use this value in the eqn
we get (-1)^4 + (-1)^3 + (-1)^2 + (-1) +1
=> 1-1+1-1+1 = 1 ................................. Answer
@007pagal said:
4

y=4/3

@truly.gone said: a sum of money at compound interest doubles itself in 4 years. in how many years will it amount to eight tyms itself?


12 yeras jeee...........
@alkoszzz said:
@gudda1122 25 keh ra hai wo...aur tune to sin and cos waala formula laga diya ismein....
yaar no idea
chai pee kar kuch sochta hu
mujhe least value 26 mil rhi h :(
@pathakrahul said: bhai chalta hoon sone all puys good night ........kal milenge.........
good night bhai ... chalo night watchman bulaao bhai... ek wicket aaj ka gaya...
@007pagal said:
4
@truly.gone kya hua bhai.... half mrk question
@amit_gagrani
@amit_gagrani said: y=4/3
kiska answer hai ye??

8 yeears

@truly.gone said:
nakli tyson picasso
bhai maine toh kuch kaha hi ni
@JS-M said: If rt[7rt{7(7..........)}} = (343)^Y-1........then Y ??


bhai ye bracket k andar infinity hai.....????
@JS-M said:
If rt[7rt{7(7..........)}} = (343)^Y-1........then Y ??
iska
@watsnew24 least value of 4sec^2(a)+9cosec^2(a)
@truly.gone said: a sum of money at compound interest doubles itself in 4 years. in how many years will it amount to eight tyms itself?
12 years????
@alkoszzz said:
@JS-M pehle least value of 4sec^2(a)+9cosec^2(a) bata
..............yr 25....discussed many times bfre, check kar le
@gudda1122 said:
yaar no idea
chai pee kar kuch sochta hu
mujhe least value 26 mil rhi h
bhai least value toh 4 hogi if we assume theeta 0
@cbiofficer said:
4
@rahulshaitan said:
a sum of money at compound interest doubles itself in 4 years. in how many years will it amount to eight tyms itself
12