In Exercises 11 to 30, simplify and write the complex number in standard form. (3+√(-4))(2-…

In Exercises 11 to 30, simplify and write the complex number in standard form. (3+2 √(-18))(2+2…

Express each complex number in rectangular form. √(2)[cos(π/4)+i …

In Exercises 11 to 30, simplify and write the complex number in standard form. (-3-4 i)(2+7 i)

Show that the complex number 0(=0+0 i) has the following properties. (a) 0+z=z and z+0=z, for all c…

Verify/prove that for the complex numbers z_1=r_1(cosα+i sinα) and z_2=r_2(…̧

In Exercises 31 to 42, write each expression as a complex number in standard form. 6/i

In Exercises 31 to 42, write each expression as a complex number in standard form. 5 i/2-3 i

In Exercises 11 to 30, simplify and write the complex number in standard form. (5-3 i)-(2+9 i)

In Exercises 31 to 42, write each expression as a complex number in standard form. -8/2 i