Question

if f is continuous on [c,d], f(z) is equal to or greater than zero for all...

if f is continuous on [c,d], f(z) is equal to or greater than zero for all z belongs to [c,d], and the integration of f(z) from c to d equals zero, then prove that f(z)=0 for all z belongs to [c,d].

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Suppose f is continuous for x is greater than or equal to 0, f'(x) exists for...
Suppose f is continuous for x is greater than or equal to 0, f'(x) exists for x greater than 0, f(0)=0, f' is monotonically increasing. For x greater than 0, put g(x) = f(x)/x and prove that g is monotonically increasing.
Let f and g be continuous functions from C to C and let D be a...
Let f and g be continuous functions from C to C and let D be a dense subset of C, i.e., the closure of D equals to C. Prove that if f(z) = g(z) for all x element of D, then f = g on C.
Let f(x)= a -bx^c + dx^e where a, b,c,d,e >0 and c<e. Suppose that f(x0)= 0...
Let f(x)= a -bx^c + dx^e where a, b,c,d,e >0 and c<e. Suppose that f(x0)= 0 and f '(x0)=0 for some x0>0. Prove that f(x) greater than or equal to 0 for x greater than or equal to 0
Prove that f(z) = ez is continuous everywhere.
Prove that f(z) = ez is continuous everywhere.
Assuming a continuous is given as x(t)=10cos(2pi.5,500t)+5sin(2pi.7,500t),for t>0(greater than or equal to zero) sampled at a...
Assuming a continuous is given as x(t)=10cos(2pi.5,500t)+5sin(2pi.7,500t),for t>0(greater than or equal to zero) sampled at a rate upyo 8,000Hz, a.sketch a spectrum of the sampled signal upto 20KHz; b.sketch tge recovered analog signal spctrum if an ideal filter with a cutoff frequency of 4KHz is used to sampled signal if order to recover the original signal; c.determine the frequency /frequencies of aliasing noise
Let f : [a,b] → R be a continuous function such that f(x) doesn't equal 0...
Let f : [a,b] → R be a continuous function such that f(x) doesn't equal 0 for every x ∈ [a,b]. 1) Show that either f(x) > 0 for every x ∈ [a,b] or f(x) < 0 for every x ∈ [a,b]. 2) Assume that f(x) > 0 for every x ∈ [a,b] and prove that there exists ε > 0 such that f(x) ≥ ε for all x ∈ [a,b].
if f: D - R be continuous, and D is close, then F(D) is closed. prove...
if f: D - R be continuous, and D is close, then F(D) is closed. prove or give counterexample
Prove that if f(x) is a continuous function and f(x) is not zero then g(x) =...
Prove that if f(x) is a continuous function and f(x) is not zero then g(x) = 1/f(x) is a continuous function.   Use the epsilon-delta definition of continuity and please overexplain and check your work before answering.
Prove Dirichlet Function is not continuous everywhere using the claims: f is not continuous at c...
Prove Dirichlet Function is not continuous everywhere using the claims: f is not continuous at c in D if (x_n) is in D and (x_n) converge to c, then (f(x_n)) does not converges to f(c).
Let f, g : X −→ C denote continuous functions from the open subset X of...
Let f, g : X −→ C denote continuous functions from the open subset X of C. Use the properties of limits given in section 16 to verify the following: (a) The sum f+g is a continuous function. (b) The product fg is a continuous function. (c) The quotient f/g is a continuous function, provided g(z) != 0 holds for all z ∈ X.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT