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hassan f. has helped students
times in
hassan f.
hassan f. joined Socratic 5 months ago. hassan f. hasn't written a biography yet.
Activity
35 Asked
@hassan-f-2
hassan f.
asked the question
Prove that I(s)= ∫exp(-isz)/(1+z²) = 2πsinh(s) integral in C(0,2) where C(0,2) is the circle center of origin and radius 2 ?
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4 months ago
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@hassan-f-2
hassan f.
asked the question
Prove this = |z-w|=|z+w| ⟺ ∃ α ∈ R such as z=iαw ?
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4 months ago
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@hassan-f-2
hassan f.
asked the question
If z=tanα +itanβ find |z| and arg|z| ?
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4 months ago
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@hassan-f-2
hassan f.
asked the question
F is a function defined in R and derivable in R and ∃ a,b;c as a<b<c and 2f(c)=f(a)+f(b) prove that ∃ ∝ ∈ R such as f'(∝)=0 ?
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4 months ago
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@hassan-f-2
hassan f.
asked the question
Solve in #ZZ#/#13ZZ# the equation #x^2-15x+8=9# ?
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4 months ago
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@hassan-f-2
hassan f.
asked the question
1/a²+1/b²+1/c²=1/4 find a,b,c a,b,c integers ?
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4 months ago
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@hassan-f-2
hassan f.
asked the question
Let f be a strictly increasing continuous function on] a, b [ Show that f (] a, b [) =] lim f at a +, lim f at b- [ ?
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4 months ago
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@hassan-f-2
hassan f.
asked the question
U(n+2)-2cosθu(n+1)+u(n)=0 knowing that u(0)=u(1)=1 what is the form of u(n) ?
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4 months ago
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@hassan-f-2
hassan f.
asked the question
#int_0^oo t/(exp(t) - 1) dt#?
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4 months ago
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@hassan-f-2
hassan f.
commented
many many thanks sir ! really helpful ! awesome !
on
Lim(( π-2x)tanx x-->π/2 ?
4 months ago
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