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Mathematics 21 Online
OpenStudy (anonymous):

how can i simplify

OpenStudy (dayakar):

can u your work

OpenStudy (anonymous):

@dayakar sorry i make a mistake in my calculation

OpenStudy (dayakar):

do u get the answer

OpenStudy (anonymous):

check my calculation please

OpenStudy (dayakar):

ok

OpenStudy (anonymous):

\[\frac{ (\cosh x)^2}{ (1+coshx)^2 } - \frac{ (sinhx)^2 }{ (1+coshx)^2 }\]\[=\frac{ \cosh^2x -\sinh^2x}{ (1+coshx)^2 }\] \[=\frac{ 1 }{ (1+ coshx)^2 }\]

OpenStudy (anonymous):

next should i square root it?

OpenStudy (dayakar):

no u r wrong what is the lcm

OpenStudy (anonymous):

which one? and what is lcm?

OpenStudy (dayakar):

which is one is correct , above which u have written is different from the below u solved

OpenStudy (dayakar):

denominators are different

OpenStudy (anonymous):

omg.. im sorry, give me some times please, cause i need to do it from the beginning

OpenStudy (anonymous):

I'm sorry to cut in @dayakar but how are the denominators are different.

OpenStudy (dayakar):

@Lovelarap ,IN THE above problem denominators doesn't have squares

OpenStudy (anonymous):

OOHH, my bad. : (

OpenStudy (dayakar):

@Lovelarap ,am i correct

OpenStudy (anonymous):

the second one is the correct one

OpenStudy (anonymous):

the denominator have square

OpenStudy (anonymous):

It seems to be correct. I would be if the second one didn't have the squares.

OpenStudy (anonymous):

\[\frac{ \cosh x }{ 1+coshx } -\frac{ \sinh^2x }{ (1+coshx)^2 }\]

OpenStudy (anonymous):

That's the answer?

OpenStudy (anonymous):

Could you give the original question?

OpenStudy (dayakar):

last one is correct

OpenStudy (anonymous):

that's the question

OpenStudy (anonymous):

it's actually very long differentation problem,

OpenStudy (dayakar):

now the answer should be different from the above

OpenStudy (dayakar):

\[\frac{ coshx(1+coshx) -(sinhx )^{2}}{ (1+coshx)^{2} }\]

OpenStudy (dayakar):

do u complete next steps

OpenStudy (dayakar):

\[\frac{ coshx+(coshx)^{2}-(sinhx)^{2} }{ (1+coshx)^{2} }\]

OpenStudy (anonymous):

ok i got the answer

OpenStudy (anonymous):

thanks so much :)

OpenStudy (anonymous):

😀

OpenStudy (dayakar):

\[\frac{ (coshx + 1) }{ (coshx+1)^{2}}\]

OpenStudy (dayakar):

\[\frac{ 1 }{ (1+coshx) }\]

OpenStudy (dayakar):

that's it

OpenStudy (anonymous):

😍💕

OpenStudy (anonymous):

thank you

OpenStudy (dayakar):

welcome

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