If x=10 which of the following has the minimum value?
A
x/2
B
2-x
C
2/x
D
(2-x)(2-x)
Correct Answer: 2-x
Given that, x = 10Then, x2 = 102 = 5.:. 2 - x = 2 - 10 = - 8.:.210 = 15.:.(2 - x)(2 - x) = (2 - 10)(2 - 10) = ( - 8( - 8)) = 64.:.The minimum value is 2 - x