no one can solve this!!!!!!

Values of 'x' satisfying x2logx=10x2 are

10 Answers

1
skygirl ·

xlog10x2 = 10 x2

we can write this as...

logx(10x2) = log10 x2

=> logx10 + 2 = 2 log10 x

take log10 x = y

then the equation becomes:

1/y + 2 = 2y

=> y= (1±√3)/2

x = 10y

we will get two values of y ... so two values of x..

33
Abhishek Priyam ·

to add to the beauty of soln...

in third line ..............in brackets (as x≠1)

1357
Manish Shankar ·

Now everyone wants to be pinked :)

1
skygirl ·

aap aisa kyun bol rahe hai?

soln achha nahi tha ?

33
Abhishek Priyam ·

:P

11
Anirudh Narayanan ·

can you please explain how u got the second line? [7]

33
Abhishek Priyam ·

Me:are second step kya ki ho
Sky: ??
taken log

me: no one can solve it

Sky: like x^y= p
so log p base x =y
like dis

me:
how u did it ... no one can solve it :P

11
Anirudh Narayanan ·

GOt it [4]

3
msp ·

taking log on both sides and use log(ab)=loga+logb

1
skygirl ·

yes very correct..

that could also be an ans..

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