Show that if diagonal of a quadrilateral are equal and bisect each other at right angles then it is a square
Suppose f and g be real functions continuous at a real number c.then ,f-g is continuous at x = c, f.g is continuous at x= c and (f/ g)
Suppose f and g be real functions continuous at a real number c.then ,f-g is continuous at x = c, f.g is continuous at x= c and (f/ g) is continuous at x= c