vector Theorem: 5. Prove vectorically that the parallelogram with equal diagonals is rectangle.

Vector theorem: Prove vectorically that the parallelogram with equal diagonals is rectangle. Section formula for internal division: https://youtu.be/OehNmCMQIWA

---~~~--- Please watch: "If 𝒙^𝒂.𝒙^𝒃=(𝒙^𝒂 )^𝒃, show that 𝒂/𝒃+𝒃/𝒂=𝒂𝒃−𝟐." https://www.youtube.com/watch?v=rZcUcisuYSc ---~~~--- Follow us: Facebook: https://facebook.com/mathswitharjun Twitter: https://twitter.com/twitajr ... https://www.youtube.com/watch?v=6E5f5WRVH9U