Question

which of the following equivalent to ???​

Answer 1

Answer:

the answer is C ,

if you want to solve this kind of question you can place any value to x. for eg i placed 2 as x and calculated the problem... in the end i would get 2.828 as the answer. Now again place the same value as the one you placed  earlier i.e 2 and if u put x as 2 in c , it will also be equal to 2.82 .

and thats how you get the ans