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Artemon [7]
3 years ago
8

Use​ Gauss's approach to find the following sums​ (do not use​ formulas). a. 1+2+3+4+...+98

Mathematics
1 answer:
Blababa [14]3 years ago
6 0
Here ya go im 90% sure this is the right answer enjoy!

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What is the simplified expression for-<br> HURRY PLEASE
borishaifa [10]

Answer:

3/2

Step-by-step explanation:

you basically just simplify the exponents first, and then simplify from there.

5 0
3 years ago
Evaluate the limit 8n^2+5n+2/3+2n
Vlada [557]

Answer:

8n^2+7n+2/3

Step-by-step explanation:

combine like terms

5n+2n=7n

7 0
3 years ago
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How do you do this question?
Lena [83]

Step-by-step explanation:

The Taylor series expansion is:

Tₙ(x) = ∑ f⁽ⁿ⁾(a) (x − a)ⁿ / n!

f(x) = 1/x, a = 4, and n = 3.

First, find the derivatives.

f⁽⁰⁾(4) = 1/4

f⁽¹⁾(4) = -1/(4)² = -1/16

f⁽²⁾(4) = 2/(4)³ = 1/32

f⁽³⁾(4) = -6/(4)⁴ = -3/128

Therefore:

T₃(x) = 1/4 (x − 4)⁰ / 0! − 1/16 (x − 4)¹ / 1! + 1/32 (x − 4)² / 2! − 3/128 (x − 4)³ / 3!

T₃(x) = 1/4 − 1/16 (x − 4) + 1/64 (x − 4)² − 1/256 (x − 4)³

f(x) = 1/x has a vertical asymptote at x=0 and a horizontal asymptote at y=0.  So we can eliminate the top left option.  That leaves the other three options, where f(x) is the blue line.

Now we have to determine which green line is T₃(x).  The simplest way is to notice that f(x) and T₃(x) intersect at x=4 (which makes sense, since T₃(x) is the Taylor series centered at x=4).

The bottom right graph is the only correct option.

3 0
3 years ago
The diagram shows squares arranged around the edge of a right triangle. What is the area of square B
Lina20 [59]

Step-by-step explanation:

take the right triangle

15^2 = 9^2 + x^2

225 = 81 + x^2

x = 12

area of square b = 144

6 0
3 years ago
Find the quotient for 99diveded by 9,801
Makovka662 [10]

Answer:

99

Step-by-step explanation:

=> 9801/99 = 99

7 0
2 years ago
Read 2 more answers
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