exam Maths Puzzle Numerical Ability

Multiply.

(8 + sqrt (3)) (8 - sqrt (3))

Read Solution (Total 0)

exam Other Question

I cannot figure out the restrictions, i am completely confused!!
6/x+3-5/x-2=-20/x^2+x-6 I can't seem to figure out the connection with how are inverses used to solve linear systems? Please explain with some examples.