exam Maths Puzzle Numerical Ability

find the number and sum of all the divisor of 840

Read Solution (Total 0)

exam Other Question

2/x^2-16y^2 - 1/x^2-3xy-4y^2
This is a fraction and I need to perform the indicated operations. I am lost could you please help? Please show me how to solve the answer to square roots. Thanks

square root of 7/32