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kkurt [141]
2 years ago
5

Need help anyone can help

Mathematics
1 answer:
Ket [755]2 years ago
7 0

Answer:

b

Step-by-step explanation:

because

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kumpel [21]

Answer:

It’s C

Step-by-step explanation:

4 0
3 years ago
You deposit $6500 into an account paying 8% annual interest compounded monthly. How much money will be in the account after 7 ye
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3 years ago
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Consider the function f given by f(x)=x*(e^(-x^2)) for all real numbers x.
NISA [10]

Answer:

\frac{\sqrt{\pi}}{4}

Step-by-step explanation:

You are going to integrate the following function:

g(x)=x*f(x)=x*xe^{-x^2}=x^2e^{-x^2}  (1)

furthermore, you know that:

\int_0^{\infty}e^{-x^2}=\frac{\sqrt{\pi}}{2}

lets call to this integral, the integral Io.

for a general form of I you have In:

I_n=\int_0^{\infty}x^ne^{-ax^2}dx

furthermore you use the fact that:

I_n=-\frac{\partial I_{n-2}}{\partial a}

by using this last expression in an iterative way you obtain the following:

\int_0^{\infty}x^{2s}e^{-ax^2}dx=\frac{(2s-1)!!}{2^{s+1}a^s}\sqrt{\frac{\pi}{a}} (2)

with n=2s a even number

for s=1 you have n=2, that is, the function g(x). By using the equation (2) (with a = 1) you finally obtain:

\int_0^{\infty}x^2e^{-x^2}dx=\frac{(2(1)-1)!}{2^{1+1}(1^1)}\sqrt{\pi}=\frac{\sqrt{\pi}}{4}

5 0
3 years ago
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Answer:

what is the complete question?

6 0
2 years ago
How can you guys helps me?
tigry1 [53]

Answer:

A

Step-by-step explanation:

Have a good day. ;-)

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3 years ago
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