exam
Maths Puzzle
Numerical Ability
Factor Completely
1. 3x^-2x-8
2. 24x^+10x-4
(include the check of your answer using multiplication)(suppose to be factoring the polynomials)
3.2(x+y)^(2)+(x+y)-3
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exam Other Question
Bob was born 2 years after Clark and 2 years before Henry. In 1951, after all three of them had their birthdays, the sum of their ages was 144. In what years were they born?
I^-1 =
a. 0
b. I
c. 1
d. You cannot find the inverse of this matrix