- 1. What is the term for a sequence where the difference between successive terms is constant?
A) Arithmetic progression
B) Quadratic sequence
C) Geometric progression
D) Harmonic series
- 2. In the sequence 5, 7, 9, 11, 13, 15, what is the common difference?
A) 5
B) 1
C) 2
D) 3
- 3. What is the formula for the n-th term of an arithmetic progression?
A) an=a1+(n-1)d
B) an=a1+nd
C) an=a1+(n+1)d
D) an=a1(n-1)d
- 4. What is the sum of a finite arithmetic progression called?
A) Arithmetic series
B) Arithmetic product
C) Arithmetic constant
D) Arithmetic mean
- 5. Which mathematician is famously associated with an anecdote about summing integers from 1 to 100?
A) Diophantus
B) Carl Friedrich Gauss
C) Archimedes
D) Fibonacci
- 6. What is the simplified formula for the sum of an arithmetic progression using the initial and last terms?
A) n(a1+an)/2
B) n(a1+an)
C) n(a1-an)/2
D) (a1+an)/2
- 7. What does the symbol Γ denote in the product formula of an arithmetic progression?
A) General sum
B) Geometric function
C) Group index
D) Gamma function
- 8. The mean value of an arithmetic series is equivalent to the mean of which distribution?
A) Normal distribution
B) Binomial distribution
C) Discrete uniform distribution
D) Poisson distribution
- 9. Which of these is NOT mentioned as a group that knew of the sum formula in antiquity or medieval times?
A) Aryabhata
B) The Pythagoreans
C) Tosafists
D) The Romans
- 10. What is the product of the progression 1*2*...*n?
A) n!
B) (n+1)!
C) n2
D) n
- 11. Under what condition is the provided product formula using the Gamma function NOT valid?
A) When n is odd
B) When a1/d is negative or zero
C) When d is equal to 1
D) When a1 is greater than d
- 12. In the derivation of the sum formula, what is done after adding the two series written in reverse order?
A) Subtracting the initial term
B) Squaring both sides
C) Multiplying by n
D) Halving both sides
- 13. What mathematical notation is used to represent the rising factorial in the text?
A) xn
B) n!x
C) xn‾
D) Γ(x+n)
- 14. Which mathematical function relates Γ(z+1) to Γ(z)?
A) z2Γ(z)
B) Γ(z)+z
C) Γ(z)/z
D) zΓ(z)
- 15. In the product formula for an arithmetic progression, what is the term multiplying the ratio of gamma functions?
A) a1n
B) dn
C) dn
D) a1n
- 16. Which theorem is used to find the intersection of two doubly infinite arithmetic progressions?
A) Pythagorean theorem
B) Taylor series theorem
C) Fundamental theorem of arithmetic
D) Chinese remainder theorem
- 17. Infinite arithmetic progressions form what kind of family if each pair has a non-empty intersection?
A) Finite family
B) Helly family
C) Arithmetic family
D) Uniform family
- 18. What is the result of the product of the first 10 odd numbers provided in the example?
A) 654,729,075
B) 3,784,380
C) 1,048,576
D) 129,540,200
- 19. How many arithmetic subsets of length 3 can be made from the set {1, ..., 7}?
A) 15
B) 9
C) 12
D) 7
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