Question Set 2 1. The first elements of a vector x in Octave is represented by -> A)x[1] B) x[0] C) x(0) D) x(1) 2. Which of the following is not a valid variable name in Octave? => A) VN1 B) VN.1 C) VN 1 D) VN$1 3. In Octave, can be evaluated using => A) sin(x) 1 B) sin(x-1) C) asin (x) D) asin(x) 4. The complex number es can be expressed as -> A) sin(a) + i cos (2) B) sin(x) - i cos() C) cos(x) - 1 sin(x) D) cocs (x) + i sin(x) 5. Which of the following statements yields the vector (1. 3.5]? --> A) linspace (135) B) linspace (1.3.5) C) linspace (153) D) linspace (1.5,3) 6. Which of the following statements yields the vector (0.10, 100, 10.0]? > A)0.1: 10:1.0 B) logspacel-1 13) C) logspace 1.1.3) D) logspace10.1.1.10) 7. Let u. (1,2,3,4,5). Which of the following expression is legal? A) UU B) u Clu AUD) 'Au 8. Let u be a row vector. Which of the following functions yields the same result as norm(x)? A) sort luu) B) sert (ul) C) sort (uu) D) sort (uu)