main
Warning: Undefined array key "a1" in C:\xampp\htdocs\book\php\equation2_solve.php on line 13
Warning: Undefined array key "b1" in C:\xampp\htdocs\book\php\equation2_solve.php on line 14
Warning: Undefined array key "c1" in C:\xampp\htdocs\book\php\equation2_solve.php on line 15
Warning: Undefined array key "a2" in C:\xampp\htdocs\book\php\equation2_solve.php on line 16
Warning: Undefined array key "b2" in C:\xampp\htdocs\book\php\equation2_solve.php on line 17
Warning: Undefined array key "c2" in C:\xampp\htdocs\book\php\equation2_solve.php on line 18
Fatal error: Uncaught DivisionByZeroError: Division by zero in C:\xampp\htdocs\book\php\equation2_solve.php:22
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\book\php\equation2_solve.php on line 22