Express the following numbers into the form x+iy where x,y are reals and hence, find their moduli:
(2+5i)-(3-7i)

Write the following in the form x + iy : i^-35 .

Write the following in the form x + iy : i^-39 .

Write the following in the form x + iy : (2i)^3 .

Express the following complex number in the form a + ib : (-2 + 3i)^3

Express the following complex number in the form a + ib : (3 + 5i)(3 - 5i)

Write the following in the form x + iy : (-5i)(1/8i) .

Write the following in the form x + iy : i^9+ i^19 .

Perform the following by the indicated operations. Express the result in the form x + iy,where x, y are real numbers i = sqrt(-1) : (-2-5i)/(3-6i) .

Write the following in the form x + iy : i+i^5+i^9+i^13 .

Write the following in the form x + iy : (3+ 4i)/(2-4i) .