Write in terms of \(i\): \(\sqrt{-25}\)

Write in terms of \(i\): \(\sqrt{-49}\)

Write in terms of \(i\): \(\sqrt{-12}\)

Write in terms of \(i\): \(\sqrt{-17}\)

Simplify as much as possible: \(i^{30}\)

Simplify as much as possible: \(i^{11}\)

Simplify as much as possible: \(i^{40}\)

Find \(x\) and \(y\) if \(3x+4i=12-8yi\)

Find \(x\) and \(y\) if \((4x-3)+7i=5+(2y-1)i\)

Simplify: \((3+4i)+(7-6i)\)

Simplify: \((7+3i)-(5+6i)\)

Simplify \((5-2i)-(9-4i)\)

Multiply: \((3-4i)(2+5i)\)

Multiply: \(2i(4-6i)\)

Expand: \((3+5i)^2\)

Multiply: \((2-3i)(2+3i)\)

Divide: \(\dfrac{2+i}{3-2i}\)