Method of cross multiplication

Find the point of intersection of two lines by substitution and cross multiplication method

Determinant || Value OF determinant OF order two and order three || Cramer's rule || Cross multiplication method

Discussion OF ex-3.4,|| Cross-multiplication method || Short method to remembering cross-multiplication method by Determinant || Example-14,15

By cross multiplication method,solve the pair of equation: ax+by+a=0, bx+ay+b=0