Question 9 is the previous question of the Question11

9. [2p] Calculate approximately the integral 10 1 3x + 5y using the Trapezoidal formula with m=n= 10, that is, with 11 nodes along each axis. (A) 9.978251 10-2 (B) 9.978253 10-2 (C) 9.978255 10-2 (D) 9.978257 10-2 9.978259 10-2 (E) 11. [2p] Calculate approximately the integral I from the previous question using the Gaussian Quadrature formula with m=n= = 4, that is, with 4 nodes along each axis. (A) 9.97702877621 10-2 (B) 9.97702877623 10-2 (C) 9.97702877625 10-2 (D) 9.97702877627 10-2 (E) 9.97702877629 10-2 9. [2p] Calculate approximately the integral 10 1 3x + 5y using the Trapezoidal formula with m=n= 10, that is, with 11 nodes along each axis. (A) 9.978251 10-2 (B) 9.978253 10-2 (C) 9.978255 10-2 (D) 9.978257 10-2 9.978259 10-2 (E) 11. [2p] Calculate approximately the integral I from the previous question using the Gaussian Quadrature formula with m=n= = 4, that is, with 4 nodes along each axis. (A) 9.97702877621 10-2 (B) 9.97702877623 10-2 (C) 9.97702877625 10-2 (D) 9.97702877627 10-2 (E) 9.97702877629 10-2