book
Maths Puzzle
Numerical Ability
Divide and simplify
3x^2 +13x + 4 / 3x^2-5x-12
____________ ________________
16-x^2 3x-12
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book Other Question
nuts are sold $15.00 per kg for cashews and pecans are $10.00 per kg. How many kg of each should be mixed in order to get 20kg worth $12.00 per kg?
Find the inverse of the following matrix.
A = [2 4]
[1 -3]