Recent content by samer88

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    Proving z^5 is uniformly continuous on unit ball

    Homework Statement let f be the function defined in the region |z|<1 , by f(z)=z^5. prove that f is uniformly continuous in |z|<1...where z is a complex number Homework Equations The Attempt at a Solution
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    If f+g is differentiable, then are f and g differentiable too?

    thnx clementc
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    If f+g is differentiable, then are f and g differentiable too?

    Homework Statement if f and g are two continuous functions and f+g is differentiable...are f and g differentiable? if not give a counter example! Homework Equations The Attempt at a Solution
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    Derivative of a Multivariable Function from Definition in Vector Spaces

    no it is the derivative
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    Derivative of a Multivariable Function from Definition in Vector Spaces

    Homework Statement determine the derivative of f(x,y,z)=(x^2-2xy+z,y^2+z^2) directly from the definition where f:R^3------->R^2 Homework Equations The Attempt at a Solution
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    How Can You Factor \( z^7 + 1 \) into Four Non-Trivial Complex Factors?

    thnx all but i didnt get the good answer yet ! i need four non-trivial factors
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    How Can You Factor \( z^7 + 1 \) into Four Non-Trivial Complex Factors?

    Homework Statement express z^7 + 1 as a product of four non-trivial factors and given that z is a complex number Homework Equations The Attempt at a Solution