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Use the Comparison Theorem to determine whether the integral is convergent or divergent.

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Use the Comparison Theorem to determine whether the integral is convergent or divergent.

asked Jan 29, 2015 in CALCULUS by anonymous

1 Answer

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Step 1:

The integral is image.

Rewrite the integral as image

Consider the second integral on right side image.

Now we can apply comparison value theorem for above integral.

Consider the fact image and it implies that  image.

image

Step 2:

Comparison theorem:

Suppose that image are continuous functions with image,

1. If image is convergent, then image is convergent.

2.If image is divergent, then image is also divergent.

Here image and image

image

Hence image is a finite value, it is convergent.

By comparison theorem, image is convergent.

image is convergent, it follows that is also convergent.

and image are convergent, thenimage is convergent.

Solution:

image is convergent.

answered Feb 10, 2015 by cameron Mentor

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