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Solve in integers for x and y: 6(x! + 3) = y^2 + 5
(No Solution Yet, 0 Comments) Submitted on 2018-10-20 by Ady TZIDON    

N=sum of primes between smallest and largest prime factor of N (inclusive).

Find all possible values for the composite number N below 300.

(No Solution Yet, 2 Comments) Submitted on 2018-10-19 by Ady TZIDON    

The square ABCD has side length 2*sqrt2.
A circle with centre A and radius 1 is drawn. A second circle with centre C is drawn so that it just touches the 1st circle at point P on AC .

Determine the total area of the regions inside the square but outside the two circles.

Source: one of Mayhem problems

(No Solution Yet, 2 Comments) Submitted on 2018-10-18 by Ady TZIDON    

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