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Mathematics 17 Online
OpenStudy (anonymous):

Calculas?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

OpenStudy (anonymous):

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OpenStudy (anonymous):

OpenStudy (anonymous):

Hello, I need help with C on pg 2!

hartnn (hartnn):

so, in C what function will you choose for finding left hand limit ? what for right hand limit ?

OpenStudy (anonymous):

a=pi and I need to find the left, right and full limits, and and all ideas are awsome! thnxs!!!!!

OpenStudy (anonymous):

i will use sinx/3 for the left and x radical 3/2pi for the right?

hartnn (hartnn):

correct! now you just plug in x= pi in them and see whether left hand limit comes out to be = right hand limit

OpenStudy (anonymous):

well thats easy!

OpenStudy (anonymous):

graded assignment...

OpenStudy (anonymous):

lol

OpenStudy (anonymous):

one sec hartnn!

OpenStudy (anonymous):

so the right hand limit is sin(3.14/3)=.8657598395!

OpenStudy (anonymous):

That is correct because x is less than or equal to pi, but it doesnt seem u can use that for the right side

hartnn (hartnn):

you know what Right hand limit mean, don't you ? and y not ?

OpenStudy (anonymous):

yes, i understand the right hand left hand and L limits, i just dont understnad hwo to find the right hand limit!

hartnn (hartnn):

just plug in x = pi in the function you chose for Right hand limit, that it!

OpenStudy (anonymous):

ok great!

OpenStudy (anonymous):

what about the full limit?

hartnn (hartnn):

first check whether LHL and RHL come out to be equal. because if they do not, then the full limit does not exist!

OpenStudy (anonymous):

ok thankyou, attached is the worksheet i need to complete, if u want to help me with anymore that would be greatly appreciated if not thankyou for the help!

hartnn (hartnn):

which one do u need help with ? and what did u get for full lim ?

OpenStudy (anonymous):

well if LHS=radical3/2 AND RHS=radical3/2, LHS=RHS, THUS THE LIMIT MUST EXIST, but what is the limit?

hartnn (hartnn):

correct, limit must exist and is = f(pi) can you find f(pi) ? for that choose a function which has x=pi

OpenStudy (anonymous):

so does the limit = radical 3/2?

hartnn (hartnn):

absolutely.

OpenStudy (anonymous):

ok, thnxs

hartnn (hartnn):

welcome ^_^

OpenStudy (anonymous):

for B. i got LHS = - infinity, and RHS = POSITIVE INFINITY, THUS THE LIMIT DOES NOT EXIST, IS THAT RIGHT?

hartnn (hartnn):

for B ? O.o

OpenStudy (anonymous):

the equation before the one we were working on

hartnn (hartnn):

there's sin x cos x, tan x...

OpenStudy (anonymous):

yes

hartnn (hartnn):

so whats sin pi/6 ? -infinity ? no

OpenStudy (anonymous):

hold on!

OpenStudy (anonymous):

1/2

hartnn (hartnn):

yes, what about right limit and f(pi/6) ?

OpenStudy (anonymous):

radical3/2

hartnn (hartnn):

thats right limit and f(pi/6) =... ?

OpenStudy (anonymous):

a?

hartnn (hartnn):

sorry, what a ? and to get f(pi/6) you will use tan x right ? so whats tan pi/6 =... ?

OpenStudy (anonymous):

radical3/3

hartnn (hartnn):

yes, since these 3 are not equal, the actual limit does not exist

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

thankyou

OpenStudy (anonymous):

what about a on the 3rd page?

OpenStudy (anonymous):

r u still there?

hartnn (hartnn):

yes.

hartnn (hartnn):

in 3rd page which one you have tried ?

OpenStudy (anonymous):

a and b

OpenStudy (anonymous):

1/p+1/q=1/f, 1/p=7/35-5/35,1/p=2/35,p=17.5 for A

OpenStudy (anonymous):

1/p=1/5-1/q is for B.

hartnn (hartnn):

ok, both are correct :)

hartnn (hartnn):

but for B, you need simplification

OpenStudy (anonymous):

thnxs thats all the help i need

hartnn (hartnn):

wait, B is not over yet

hartnn (hartnn):

1/q= 1/5-1/p right ? so, 1/q = (p-5)/5p so, q =5p/(p-5) got it ?

OpenStudy (anonymous):

yup

OpenStudy (anonymous):

ill messsage u in the futre if i need help ok?

hartnn (hartnn):

or you can just post a question here. if i am not onlne, someone will surely help you :)

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