1.

`sqrt(sqrt(63)+sqrt(56))=`A. `root(4)(7)(sqrt(3)+sqrt(5))`B. `root(4)(7)(sqrt(3)+1)`C. `root(4)(7)(sqrt(3)+sqrt(5))`D. `root(4)(7)(sqrt(2)+1)`

Answer» Correct Answer - D
(i) Bring a possible term out of the root.
(ii) `sqrt(sqrt(63)+sqrt(56))=root(4)(7)sqrt(sqrt(7)+sqrt(8))`
(iii) Let `sqrt(3+2sqrt(2))=sqrt(x)+sqrt(y)`


Discussion

No Comment Found