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Mathematics 15 Online
OpenStudy (anonymous):

Solve: \[\sqrt{\log_{2}x-1}-1/2\log_{2}x^{3}+2>0\] ans.\[x \epsilon[2,4)\]

OpenStudy (anonymous):

@nitz

OpenStudy (anonymous):

i want full solution.

OpenStudy (anonymous):

i have solution ; check it

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

have you got the ans.?

OpenStudy (anonymous):

give me a sec

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

plz let me know if my answer is incorrect ; tnx

OpenStudy (anonymous):

ans is [2,4)

OpenStudy (anonymous):

let me check it again

OpenStudy (anonymous):

why have you cancelled x<4 in Step 1

OpenStudy (anonymous):

*case1

OpenStudy (anonymous):

also, how you got closed interval on 2. [2,2.16)

OpenStudy (anonymous):

because of the same thought

OpenStudy (anonymous):

@shubham.bagrecha im really sorry plz let me think again

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

OpenStudy (anonymous):

explain Ist eq.

OpenStudy (anonymous):

why x>=2

OpenStudy (anonymous):

why not only x>2

OpenStudy (anonymous):

expression under the equation must be >=0 am i right?

OpenStudy (anonymous):

yes but

OpenStudy (anonymous):

oh yes

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

i want your help in one more log.

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