[" 38.If "u=sqrt(a^(2)cos^(2)theta+b^(2)sin^(2)theta)+sqrt(a^(2)sin^(2)theta+b^(2)cos^(2)theta)" then the difference between the maxim "],[u^(2)" is given by "],[[" (a) "(a-b)^(2)," (b) "2sqrt(a^(2)+b^(2))]]

u=sqrt(a^(2)cos^(2)theta+b^(2)sin^(2)theta)+sqrt(a^(2)sin^(2)theta+b^(2)cos^(2)theta^(2)) then the difference between the maximum and minimum values of u^(2) is given by : (a) (a-b)^(2) (b) 2sqrt(a^(2)+b^(2))(c)(a+b)^(2) (d) 2(a^(2)+b^(2))

If u=sqrt(a^(2)cos^(2)theta+b^(2)sin^(2)theta)+sqrt(a^(2)sin^(2)theta+b^(2)cos^(2)theta) , then the difference between the maximum and minimum values of u^(2) is given by :

u=sqrt(a^(2)cos^(2)theta+b^(2)sin^(2)theta)+sqrt(a^(2)sin^(2)theta+b^(2)cos^(2)theta) then the difference between maximum and minimum values of u^(2) is

If u = sqrt(a^(2) cos^(2)theta + b^(2) sin^(2)theta) + sqrt(a^(2) sin^(2)theta + b^(2) cos^(2)) , then the difference between the maximum and minimum values of u^(2) is given by :

If u=sqrt(a ^(2) cos ^(2) theta+b ^(2) sin ^(2) theta)+ sqrt( a^(2) sin ^(2) theta+b ^(2) cos ^(2) theta), then the difference between the maximum and minimum values of u^(2) is-

If U=sqrt(a^(2)cos^(2) theta+ b^(2) sin^(2) theta)+ sqrt(b^(2)cos^(2) theta+ a^(2) sin^(2) theta) then the difference between the maximum and minimum values of U^(2) is given by

If u=sqrt(a^2 cos^2 theta + b^2sin^2theta)+sqrt(a^2 sin^2 theta + b^2 cos^2 theta), then the difference between the maximum and minimum values of u^2 is given by :