Question Number 70021 by naka3546 last updated on 30/Sep/19

(((√(√(12345689654321233 + 5333334096 (√(12345679))))) − (√(√(12345689654321233 − 5333334096 (√(12345679)))))))^(1/3)   =  ...

Commented byMJS last updated on 30/Sep/19

in this case we can solve  (√(a+b(√c)))=p+q(√c) ⇔ a=p^2 +cq^2 ∧b=2pq  two times and get  (√(√(a+b(√c))))−(√(√(a−b(√c))))=(4+3(√c))−(−4+3(√c))=8  (8)^(1/3) =2

Commented byajfour last updated on 30/Sep/19

MjS sir, please help with Q.69681