Real Analysis | Uniformly Continuity in One Shot by GP Sir

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Real Analysis | Uniformly Continuity in One Shot by GP Sir
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Dr.Gajendra Purohit
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gajendrapurohit-GATE-NET-JAM
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In first question: for negative value f(x) is discontinuous as it gives imaginary number ..

Right explanation: f(x) is uniformly continuous on interval (a, b) or [a, b] where 0<a<b< infinity .. f(x) is not only uniformly continuous on closed interval . it can be on open interval.
So option D is not correct.

Correct me if I am wrong 😊

soumodipdas
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Product of two u.c is not u.c for example take f(x)=g(x)=x in R, here f and g both are u.c but f.g equal to x^2 which is not u.c in R

faruksk
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Sir question number 6 me problem hai thodi, kyoki f(x)=x, agr ye function le to ye UC on R but infinity pr limit nhi exists krti h

manishkumarverma
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Sir ek cheez batana Jo aapne first ques karaya, us ques mein derivative wala test aapne use kiya but derivative wale mein end points pe limit kaha hi nikalte hain

_shavyaGarg_MH
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Product of Two UC need not UC, example f(x)=x on R

SasiKumar-ilod
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Unacadmy pr class li thi same question tha but option D was wrong

abcdWxyz-xmht
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F(x) =x where then if use the concept of lipschitz function f(x) ka deriative 1which is bounded then uniformly continius
But in this same question put - infinity and + infinity then fuction does not exist then f not u.c .... aise kaiseho skta h sir

rinkubaswala
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Sir super explaination excellent performance

DineshKumar-cyez
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Sir dill se izaat karta hn ap ki or hamesha krunga jitna aap se seekha he shayad kisi se nh❤️

tthassi
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Sir prod of uc is not uc. Product is uc only if it is bdd, know clarify my doubt sir

sathyam
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What about f(x) = sinx on [0, infinity)

mudasirbashir
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So plese sir help me to solve this question

rinkubaswala