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

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 :

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 : (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^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 : (a) (a-b)^2 (b) 2sqrt(a^2+b^2) (c) (a+b)^2 (d) 2(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) then the difference between maximum and minimum values of u^(2) is

If u = sqrt( a^2cos^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 manimum values of u^2 is given by

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