Question Number 115246 by bemath last updated on 24/Sep/20

    5^((x+1)^2 )  + 625 ≤ 5^(x^2 +2)  + 5^(2x+3)

Commented bybobhans last updated on 24/Sep/20

let 5^x^2   = r ∧ 5^(2x)  = s