Prove algebraically that |w+z|<=|w|+|z| for any complex numbers w and z.
Hint:
look up triangle inequality.
Basically, it says that the sum of the lengths of any two sides of a triangle is greater than or equal to the length of the third side.
look up triangle inequality.
Basically, it says that the sum of the lengths of any two sides of a triangle is greater than or equal to the length of the third side.