Find the value of a3−b3−3a2b+3ab2 , when a = 5 and b = 3.
The expression √5−√3√5+√3 when simplified reduces to a−b√15.
Find the value of a + b .
Find the values of a and b if 7+3√5/3+√5 - 7-3√5/3-√5 = a+b√5