Question 967658
(square root(7) / square root(2)) + (square root(2) / square root(7))=
first combine fractions over common denominator which is square root(14)
(square root(7)*square root(7)) + (square root(2)*square root(2)) / square root(14)=
(7 + 2) / square root(14) =
9 / square root(14) =
now multiply numerator and denominator by square root(14)
(9 * square root(14) / 14)