exam
Maths Puzzle
Numerical Ability
what is radical 5 over radical 10
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exam Other Question
Please help to simplify
4i^7 - the square root of -5 * the square root of -5 + the square root of 7 * the square root of -7 - the square root of -16
Factor the following trinomial:
16x^2 + 40xy + 25y^2
I am still a little confused by this stuff. I hope that someone can help me understand????