Equality of complex numbers

The conjugate of a complex number z is (2)/(1-i) . Then Re(z) equals

If conjugate of a complex number z is (2+5i)/(4-3i) , then |Re(z) + Im(z)| is equal to ____________

Algebra of complex number and , modulus and argument of complex number

Let w(Im w!=0) be a complex number.Then the set of all complex numbers z satisfying the equal w-bar(w)z=k(1-z), for some real number k,is :

Representation OF complex number in argand plane || Addition , Subtraction and multiplication OF complex numbers || Conjugate OF complex number

Plot the following numbers nd their complex conjugates on a complex number plane : 1

Plot the following numbers nd their complex conjugates on a complex number plane : i