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how many 5/16 in an inch... rephrased: how many 5/16 in 1? Multiply by the reciprocal and reduce. 1* 16/5 = 16/5 = 3 and 1/5 = 3.2
x^2(1 - x)(1 + x)
1/2 + 1/4... 1/2 is same as 2 fourths so 2/4 + 1/4 = 3/4
a quarter or 0.25 =============================== If the question is trying to indicate ' x4 ' or "X to the fourth power", then there are four solutions. X = 1 X = -1 X = 1 + j X = 1 - j
Easy. Same thing as the graph of f(x) = x^2 + 1 which have NO intercept.