Email: bbcnoun@gmail.com Whatsapp: 08131667008 Question: If \\(z_{1}=2-3i,z_{2}=7+i\\) evaluate \\(z_{1}+z_{2}\\) Answer: [B] 9-2i Question: Find the modulus of z=4+3i Answer: [A] 5 Question: Find the polar representation of z=-1-i Answer: [C] \\(\\sqrt{2}\\left(cos\\frac{5\\pi}{4}+isin\\frac{5\\pi}{4}\\right)\\) Question: If \\(z_{1}=11-3i,z_{2}=2+i\\) evaluate \\(z_{1}-z_{2}\\) Answer: [A] \\(9-4i\\) Question: If \\(z_{1}=-\\frac{1}{2}+i,z_{2}=-\\frac{1}{3}+\\frac{1}{2}i\\)\nfind \\(z_{1}+z_{2}\\) Answer: [D] \\(-\\frac{5}{6}+\\frac{3}{2}i\\) Question: If \\(z_{1}=2-3i,z_{2}=7+i\\) then \\(Re(z_{1}+z_{2})\\) Answer: [D] 9 Question: If \\(z_{1}=18+26i,z_{2}=-3+4i\\) what is \\(Im\\left(z_{1}-z_{2}\\right)\\) Answer: [B] 22 Question: If \\(z_{1}=1+2i,z_{2}=3+4i\\) evaluate \\(\\frac{z_{1}}{z_{2}}\\)\n Answer: [A] \\(\\frac{11}{25}+\\frac{2}{25}i\\) Question: If \\(z=1+2i\\) determine \\(\\frac{1}{z}\\) Answer: [B] \\(\\frac{1}{5}-\\frac{2}{5}i\\) Question: If \\(z_{1}=-\\frac{1}{2}+i,z_{2}=-\\frac{1}{3}+\\frac{1}{2}i\\)\nevaluate \\(z_{1}z_{2}\\) Answer: [C] \\(-\\frac{1}{3}-\\frac{7}{12}i\\) Email: bbcnoun@gmail.com Whatsapp: 08131667008