kronos

6 Questions
0 Answers

0

658

1

+24

Two Polynomial Questions

Let f(x) = x^4-3x^2 + 2 and g(x) = 2x^4 - 6x^2 + 2x -1. What is the degree of f(x) * g(x)?

Find t if the expansion of the product of x^3 - 4x^2 + 2x - 5 and x^2 + tx - 7 has no x^2 read more ..

kronos Sep 4, 2016

0

1390

1

+24

Given that , find , as a residue modulo 97. (Give an answer between 0 and 96, inclusive.)

Given that , find , as a residue modulo 97. (Give an answer between 0 and 96, inclusive.)

kronos Sep 4, 2016

0

696

1

+24

Polynomial Problem Set

1. Let f(x) = x^4-3x^2 + 2 and g(x) = 2x^4 - 6x^2 + 2x -1. Let a be a constant. What is the largest possible
degree of f(x) + a * g(x)?

2. Let f(x) = x^4-3x^2 + 2 and g(x) = 2x^4 - 6x^2 read more ..

kronos Sep 3, 2016

0

2623

3

+24

Number Theory Questions

1. The House of Lilliput is using RSA encryption to receive secret messages from all the realms. They have published their public encoding exponent e=37 and their public modulus M = pq = 527.
Break the code: Find their secret decoding exponent read more ..

MaxWong ●●●

kronos Sep 3, 2016

0

769

4

+24

Functions/Inverse Functions

1. The function f(xy) accepts an ordered pair as input and gives another ordered pair as output. It is defined according to the following rules: x>4, f(x,y) = (x - 4,y). If , . If x<=4 but y>4, f(x,y) = (x,y - 4). Otherwise, f(x,y) read more ..

Alan ●●●●

kronos Aug 28, 2016

0

2074

3

+24

Quadratic Optimization Problem Set

1. What real value of t produces the smallest value of the quadratic t^2 -9t - 36?
2. If t is a real number, what is the maximum possible value of the expression -t^2 + 8t -4?
3. The temperature of a point (x, y) in the read more ..

kronos Aug 27, 2016