9. i^2= -1, What is ( 4 + i)^2? * O A. 15 О в.17 O C. 15 + 4i O D. 15 +8i 10.What is the vertex of the graph of f(x)= x^2 -2x -3? * O A. (1,2) O B.(1,4) C.(1,-4)
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- Solve for y2 by using reduction of order And for nonhomogeneous using undetermined coefficients linear mathematicsThere is a line through the origin that divides the region bounded by the parabola y=6x−2x^2 and the x-axis into two regions with equal area. What is the slope of that line? How do i start this problem?There is a line through the origin that divides the region bounded by the parabola y=7x-(2(x)^2) and the x axis into two regions with equal area. What is the slope of that line?
- Explain how successive over relation is obtained from the Gauss-Seidel method.There is a line through the origin that divides the region bounded by the parabola y=5x−7x2y=5x-7x2 and the x-axis into two regions with equal area. What is the slope of that line?Solve using crama's rule: 2x - 2y + 3z = 13 5x - y + 4z = 11 x + 3y - z = -10
- I need help to solve L'Hopitals rule. Please show reasonable explanation why 2arctan(3x^2) changes to 2*((1+3x^2)^-2)*6x . Ty!How many days would a 67-unit construction activity lasts if this activity have a parameter of 0.9manhours per unit would last and that there's only 9hrs per day allotted to construction work. Neglect any additional allowances for overtime.2) Find the length of the shortest ladder that can pass over a fence 1.8 m high and reach a wall 3 m from the fence. Once end of the ladder must rest on the ground. Express the answer to 2 decimal places.