exam Maths Puzzle Numerical Ability

Is the following trinomial a perfect square?
x2 – 4x + 4

Read Solution (Total 0)

exam Other Question

I am having some trouble getting the answer to this problem could someone help me?
A 25in T.V. set has a width of 20in, what is the height of the T.V.? Please help me find the least common multiple of these:

1) a^2-2ab+b^2

2) a^2-b^2

3) 3a+3b