Problem of the Week 5 Update

Congratulations to Lord Alfred Remorin a 4th year ECE student of PUP Sta. Mesa, this week winner. No other correct solutions were received. See comments for his solution under the Problem of the Week 5.

PROBLEM OF THE WEEK 6

Problem of the Week 4 Update

Congratulations to Lord Alfred Remorin a 4th year ECE student of PUP Sta. Mesa, this week winner. No other correct solutions were received. See comments for his solution under the Problem of the Week 4.

PROBLEM OF THE WEEK 5

Find a quadratic equation with integer coefficients whose roots are cos 72 degrees and cos 144 degrees.

PROBLEM OF THE WEEK 4

Problem of the Week Update 3

Congratulations to this week's winners: Jobert Gimeno - 3rd Year ECE of PUP Sta. Mesa, Cielito Matienzo - 1st Year ECE of PUP Taguig Campus and Lord Alfred Remorin - 4th Year ECE of PUP Sta. Mesa. All the winning solutions gave the following arrangement of answer.

Solution by Jober Gimeno: