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10 questions from this quiz
Natural numbers (0, 1, 2, 3, ...)
Binomial
5
It has a negative exponent (y−1y^{-1}y−1)
It has a fractional exponent (k1/2k^{1/2}k1/2)
2
(a+b)(a−b)(a + b)(a - b)(a+b)(a−b)
x=−b±b2−4ac2ax = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}x=2a−b±b2−4ac
Take half of it and square the result
x≠−2x \neq -2x=−2 and x≠−1x \neq -1x=−1
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