If the expression `(1+2i)/(4 + 2i)` is rewritten as a complex number in the form of `a + bi,` what is the value of a ? (Note `i=sqrt-1)`

If the expression (2-i)/(2 +i) is written as the complex number a + bi, where a and b are real numbers, then what is the value of a ? (Note: i = sqrt-1)

( 8 - i)/( 3 - 2i ) If the expression above is rewritten in the form a + bi , where a and b are real numbers, what is the value of a ? ( Note : i=sqrt ( -1) )

Express of the complex number in the form a + i b . (1-i)^4

Write the complex number in a+ib form 2i(1+2i)

Express the following complex number in the form a + ib : (1-i)^2

Which of the following shows (2+6i)(3i-4) written as a complex number in the form a+bi ? (Note: i^(2)=-1 )

If the expression (-3 I ^(2) + 2i )/(2 +i) is written in the form a + bi, where a and b are real numbers and I = sqrt-1, what is the value of a ?

Express the following complex number in the form a + ib : (4 - 2i)^2

(2-i)/(5-2i) If the expression above is rewritten in the form a+bi, where a and b are real numbers, what is the value of -b written as a fraction? (Note: i^(2)=-1 )

If a+bi represents the complex number that result from multiplying 3+2i times 5-i , what is the value of a?