Solve each of the following problems using the proper order of operations.
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Mathematics For Machine Technology
- (d) Consider the sequences (xn), (yn) defined recursively as follows: Xn+1 = xn2yn, i. ii. n, Yn+1=Yn2xn for n ≥ 1, x1 = 1, y₁ = 2. Calculate x2, y2 and x3, Y3. - Show using induction or otherwise that for any natural number - Xn+Yni = (1+2i)". Hence or otherwise, show that for any natural number n, iii. Zn = (V5)” cos(n arctan2), n = (V5)” sin(n arctan 2).arrow_forward2. (a) For each of the following functions, decide whether it is injective, and whether it is surjective. Justify your answers. i. f: Z → 22 Z 3z +1 ii. 9: C→ 22 Re(z) + Im(z)arrow_forwardNot use ai pleasearrow_forward
- 2. Given f(0) = (2 cos 0)² - 3sin²0. 1 a. Show that f(0) = ½ + ½ 7 + - cos cos 20. 2 2 b. Hence, find the exact value of √² 0 ƒ (0) do.arrow_forward2. Given f(0) = (2 cos 0)² - 3sin²0. 1 a. Show that f(0) = ½ + ½ 7 +-cos cos 20. 2 2 b. Hence, find the exact value of √ ƒ (0) d0.arrow_forwardNot use ai pleasearrow_forward
- 1 Solve for (x, y, z) in the set of linear, inhomogeneous equations: x-y+2x=5 2x + 3y - z = 4 2x-2y+4z6.arrow_forwardThe sides of a triangular prism base measures 6cm, 8cm and 10cm while it's height is 12cm. Determine the total surface area of the prism in square cmarrow_forwardNo chatgpt pls will upvotearrow_forward
- A carpenter charges a fixed fee for labour and an additional fee per hour for materials. The total cost for a 4 hour job is sh 1200 and the total cost for an 8 hour job is sh 2200. Determine the fixed labour fee and the hourly rate for materialsarrow_forwardQuestion 7: Find a matrix Ps which can be used as a premultiplier an arbitrary 5 x n matrix A to effect the following changes in A: Row 1 becomes Row 3 + 2 Row 5 Row 2 becomes Row 5+ Row I Row 3 becomes 2 Row 2 + 3 Row 4 Row 4 becomes Row 1 + Row 5 Row 5 becomes Row 2 + Row 3 + Row 4arrow_forwardReduce the matrix to reduced row-echelon form. [3 2 -2-191 A = 3 -2 0 5 + 2 1 -2 -14 17 1 0 0 3 0 1 0 0 0 4arrow_forward
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