Mathematics MCQs
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6131.If a² - 2ab + b² = 36 and a² - 3ab + b² = 22 the ab = ____?
6132.a³ + 3ab(a + b) + b³ = ____?
6133.If A and B are two non-singular matrices then B⁻¹.A⁻¹ = ____?
6134.Slope of horizontal line is _____?
6135.If a > 0, b > 0 and a - b < 0 then ______?
6136.If a² - b² = 56, a + b = 7 then value of a - b is ____?
6137.If x + (1/x) = 8, then find the value of x³ + (1/x³) _____?
6138.Number of subsets of A = {a, e, i, o, u} is ______?
6139.9y⁴ ÷ 3y² = _______?
6140.Which of the following number is a perfect square?