Evaluate 1/(1+sqrt3) +1/(sqrt3+sqrt5)+ ... +1/(11 +sqrt119)

Lemma `1/(sqrtA+sqrt(A+2))=(sqrtA -sqrt(A+2))/-2` № задачи в базе 3491

Ключевые слова:

Примечание:
Evaluate 1/(1+sqrt3) +1/(sqrt3+sqrt5)+ ... +1/(11 +sqrt119) ! Lemma # Multiplying binomial surd denominator by its conjugate was quite helpful in evaluating the finite radical sum