Q 1 : f(x) = 2x^{2} + 3x + 1, then f(3x) = _____. 18x^{2} + 9x + 1 18x^{2} - 9x + 1 18x^{2} + 9x + 3
Q 2 : x^{3} + 3x^{2} y + xy^{2} + y^{3} , is this equation symmetry or not? No Yes
Q 3 : Find the square root of x^{4} - 4x^{3} + 8x^{2} - 8x + 4. x^{2} + 2x - 2 x^{2} - 2x + 2 x^{2} - 2x - 2 x^{2} + 2x + 2
Q 4 : Find the square root of
(x^{2} + x - 12)(x^{2} - x - 20)(x^{2} - 8x + 15). (x - 5)(x - 3)(x - 4) (x - 5)(x - 3)(x + 4) (x - 5)(x + 3)(x + 4) (x + 5)(x - 3)(x + 4)
Q 5 : f(x) = 2x^{2} - 4x + 1, then 3f(x) = _______. 6x^{2} - 4x + 3 2x^{2} - 4x + 3 6x^{2} - 12x + 1 6x^{2} - 12x + 3
Q 6 : Solve, 6x^{2} - 13x + 6 = 0. -2/3 and 3/2 2/3 and -3/2 2/3 and 3/2 -2/3 and -3/2
Q 7 : Solve, 6x^{4} - x^{2} - 2 = 0.Ö (-1/2) and Ö (-2/3)Ö (1/2) and Ö (2/3)Ö (-1/2) and Ö (2/3)
Q 8 : Find the quadratic equation whose roots are 3/4 and 1/2. 8x^{2} + 10x + 3 8x^{2} - 10x + 3 8x^{2} - 8x + 3 8x^{2} - 10x - 3
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