exam Maths Puzzle Numerical Ability

2x^2 + 3xy-4y^2 when x=2 and y= -4

Read Solution (Total 0)

exam Other Question

Both Gaussian Elimination and Cramer's rule are used for solving linear systems. If you need to solve large systems with more that three variables, which method is more effieient a find the tenth term in the sequance:
13,17,21,25....
thanks for your time!