3 years ago

(x + 3)(x^2 - 6x + 5)

Mathematics

1 answer:

Mrac [35]3 years ago

6 0

If you were to simplify it the answer would be x
3
−
3
x
2
−
13
x
+
15

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Give a power series representation for the function f(x) x^3/(1 + 9x^2)

Nata [24]

Recall that for $|x|$ , we have

$\displaystyle\frac1{1-x}=\sum_{n\ge0}x^n$

Replace $x$ with $-9x^2$ and we get

$\displaystyle\frac1{1-(-9x^2)}=\sum_{n\ge0}(-9x^2)^n=\sum_{n\ge0}(-9)^nx^{2n}$

Lastly, multiply this by $x^3$ , so that

$\boxed{f(x)=\displaystyle\sum_{n\ge0}(-9)^nx^{2n+3}}$

6 0

4 years ago

(6+a) divided by 5 -2

pochemuha

Answer:

(6+a)/3

Step-by-step explanation:

(6+a)/5-3

5-3=2

(6+a)/2

7 0

3 years ago

A customer/member owes $11.02 and pays $100.00 in cash. Change due is $88.98.

aev [14]

Answer:

Correct

Step-by-step explanation:

4 0

3 years ago

Jake has $4,000 invested at 8% annual interest. He has $2,800 more to invest. At what rate

schepotkina [342]

Step-by-step explanation:

with $4,000 invested, Jake has

8% × $4,000 = $320 annually.

in order to have annual interest $628, he has to get more interest $(628-320) = $308.

the rate should be:

308/2800 × 100%

= 308 /2800 × 100%

= 11%

3 0

3 years ago

(4 + 7)<img src="https://tex.z-dn.net/?f=%5E%7B2%7D" id="TexFormula1" title="^{2}" alt="^{2}" align="absmiddle" class="latex-for

leonid [27]

Step-by-step explanation:

(4+7)^2=11^2=121

2^3=8

121+8=129

8 0

3 years ago

Read 2 more answers