If `(6+4i)/(1-3i)=a+bi`, what is the value of `a+b`?

If (1-3i)(7+5i+i^(2))=a+bi , what is the value of a+b ?

If a+ib=(5+3i)(6i+1) , what is the value of a^(2)+b^(2) ?

What is the value of (6+3i) + (2+5i)

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

If (2 + 3i)/(3 - 4i) = a + ib , find the values a and b.

If i=sqrt(-1), and ((7+5i))/((-2-6i))=a+bi , where a and b are real numbers, then what is the value of |a+b| ?

( 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) )

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)