exam
Maths Puzzle
Numerical Ability
Please help with me this problem.
Simplify the expression; making sure there are no negative exponents
(6r^-1)^2(2r^-4)
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r^-5(r^2)^-3
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exam Other Question
Perform the indicated operations.
Let U = {a,b,c,d,e,f,g}, X = {a,c,e,g}, Y = {a,b,c} and Z = {b,c,d,e,f}
1. X'n Z
2. (X' U Y')UZ
3. (X n Y')n(Y n X')
Solve the equation
3(y-7) = y +3