1.let p and q be prime number greater than 3 such that p=q+2. find the remainder when p+q is divided
by 12
2.let a,b,c be the lengths of the sides of a triangle such that 2c+b=abc.find the smallest value of the expression s=\(\dfrac{3}{b+c-a}+\dfrac{4}{c+a-b}+\dfrac{5}{a+b-c}\)