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Catalogs Discussion Forums -> Differential Calculus -> straight lines -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

5x-9y+4=0

Catalogs Discussion Forums -> Mathematics -> challenge -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

if          y=then

         y=  ........(1)            differentiate both sides with respect to x

      

  

from (1)

Catalogs Discussion Forums -> Course Material -> helpppppppppp -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
guys please help me how to prepare for english and hindi exam .my exam is starting from 2nd march.i didnt go to school this session .
Catalogs Discussion Forums -> Algebra -> simple problem. -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

is there any condition for n to be an integer

Catalogs Discussion Forums -> Algebra -> one of the toughest AP , GP question for our level. -> Go to message
This Post 5 points    (Olaaa!! Perrrfect answer.   in 1 votes )   [?]

a  small mistake in last fifth line it is

d>30-3d        sorry for that

Catalogs Discussion Forums -> Algebra -> one of the toughest AP , GP question for our level. -> Go to message
This Post 15 points    (Olaaa!! Perrrfect answer.   in 3 votes )   [?]

this quest requires some concept of function chapter

let the no be

A-d,   A,   A+d,  b    (in increasing order)

as given    b-(A-d)=30

                b=30+A-d        now numbers

A-d,  A, A+d,  30+A-d

apply gm formula

A*(30+A-d)=(A+d)^2

  ........after solving u will get   

  ,   as  A>0    then

10-d>0.......,     10>d 

and all terms are postive thus d>0 and it must be divisible by 3 because A is a integer

so we have options for d   ------ 3,    6,    9

but     A-d>0    (all terms are +VE)

 A>d,    

d>30-d   ,    d>7.5

so  finally we will take d=9  and   then

A=27           numbers are

18  ,27  ,36,  48

their sum  =129

Catalogs Discussion Forums -> Algebra -> socho socho... -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

really nice

Catalogs Discussion Forums -> Algebra -> socho socho... -> Go to message
This Post 5 points    (Olaaa!! Perrrfect answer.   in 1 votes )   [?]

he do any  crime and get caught in the jail and do second crime of breaking jail and going outside 

he do 45 crime outside and  45 times break jail which is also a crime

Catalogs Discussion Forums -> Algebra -> try this modified ques.. from@nishant..amazing sum try it guys....mindboogling........ -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

my answer is right because you didnt mentioned about common difference to be a positive integer .thus i considere a c.d. a positive real number

which is equal to  0.00000..........................................01

which is very small value

is there anyone other than ronnie who says i m wrong

Catalogs Discussion Forums -> Algebra -> try this modified ques.. from@nishant..amazing sum try it guys....mindboogling........ -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

I WAS RIGHT OR WRONG

Catalogs Discussion Forums -> Algebra -> try this modified ques.. from@nishant..amazing sum try it guys....mindboogling........ -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

i forgot to write in few places so sorry for that

Catalogs Discussion Forums -> Algebra -> try this modified ques.. from@nishant..amazing sum try it guys....mindboogling........ -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

i dont know i m right or wrong

if we have to consider minimum postitive common difference then

c.d.=

it is such a small quantity such that

so  a1+a5+a10+a15+a19+a24=225

               6 *(a1)=225

                 a1=225/6

and sum of 24 terms

a1+a2+a3+...........+a24

=24*(a1)

=24*225/6

=900

Catalogs Discussion Forums -> Algebra -> Summation (AGS). -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

a little bit mistake ,but concept of you two is exactly right,only this matters

Catalogs Discussion Forums -> Algebra -> Summation (AGS). -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

a little bit mistake ,but concept of you two is exactly right,only this matters

Catalogs Discussion Forums -> Algebra -> very nice question from algebra....pls try.... -> Go to message
This Post 10 points    (Olaaa!! Perrrfect answer.   in 2 votes )   [?]

i dont know i m right or wrong

alpha=A   and beta=B

 if  A and B are roots of a quadratic eq then quadratic eq is given by

(x-A)(x-B)=0

x^2  -(A+B)x  +AB=0

comparing it with our given eq we get

A+B=1   and   AB=1     now

=

=

=

=

=

=1+

                        

=1+           

Catalogs Discussion Forums -> Algebra -> Permutation -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

clear me first that there are 5 pairs of diff shoes or 5 diff shoes

Catalogs Discussion Forums -> Algebra -> cubic polynomial equation -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

question is this

 

Catalogs Discussion Forums -> Algebra -> cubic polynomial equation -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]
cubic polynomial equation
Catalogs Discussion Forums -> Analytical Geometry -> Question on tangent to a circle and locus of midpoint -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

I dont know i am right or wrong

answer is  b


Catalogs Discussion Forums -> Optics -> refraction -> Go to message
This Post 0 points    (Olaaa!! Perrrfect answer.   in 0 votes )   [?]

because the direction of force of repulsion or attraction is always perpendicular to  surface separating two medium

 
 
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