Number Theory 整数No17　合同方程式Part2 x^2≡1、1次不定方程式17x+43y=341への合同式の利用 Modular Arithmetic

Integer No. 17 Congruence Equation Part 2 1. x^2 ≡1 (mod 17) , x^2+2 ≡ 0 (mod11) 2. Find all integer solutions of the following equation using congruence. 　　　17x＋43y＝341 00:00 Confirmation of definition and properties of congruence expression 04:14 Solve various linear congruence equations by setting the coefficient of x to 1 15:16 How to solve quadratic congruence equations x^2≡1 and x^2+2≡0 (mod11) 27:28 Solve the two-dimensional linear indefinite equation 17x + 43y = 341 with large coefficients using the congruence formula