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Maths Puzzle
Numerical Ability
determine the constant that should be added to the binomial so that it becomes a perfect square trinomial. factor the trinomial. x^-5x
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book Other Question
an investor deposits $100,000 into two accounts. Twice the larger deposit is $25,000 less than three times the smaller deposit. Find the amount deposited in each account.
a line passes through a(1,-3) and b(2,7)
write the equation of a line perpendicular to a. how would you go about solving this problem?