a) Solve the following equations (Note: use the symbol "I" to represent the imaginary unit): 1) 22 +5 = 0; Н = exact val
Posted: Thu May 12, 2022 1:29 pm
a) Solve the following equations (Note: use the symbol "I" to represent the imaginary unit): 1) 22 +5 = 0; Н = exact values, separate each answer with semi-colon";", 2 marks) ii) (+3)2 +5=0 Н (exact values, separate each answer with semi-colon";", 2 marks) b) b) 1) Expand (1+1) (1+z)3 = (1 mark) i) Express (1+31)3 in the form a +b1. (1 +31)3 (3 marks) ii) Given that z=1+31, find the value of A श - 3 = كي (2 marks)