Question

simplify 1/(3+√5)square+1/(3-√5)square
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Answer 1

Answer:

1/(3+√5)^2+1/(3-√5)^2

=((3-√5)^2+(3+√5)^2)/(3^2-(√5)^2))^2

=28/(9-5)^2

=28/16

=7/4