My Math Forum how to show that 2n + 1 = x ^ 2 ?

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 September 22nd, 2018, 03:55 AM #31 Newbie   Joined: Sep 2018 From: tunis Posts: 27 Thanks: 0 if a+b=c aⁿ+bⁿ=cⁿ it's false for any number. in ℕ* because c×aⁿ⁻¹+c×bⁿ⁻¹=cⁿ aⁿ+bⁿ=cⁿ or a+b ≠c it's true when the hand right =xⁿ 3+4=7 the hand right side :2×4+1=9
 September 22nd, 2018, 04:09 AM #32 Newbie   Joined: Sep 2018 From: tunis Posts: 27 Thanks: 0 remove it
 September 22nd, 2018, 04:31 AM #33 Newbie   Joined: Sep 2018 From: tunis Posts: 27 Thanks: 0 c×aⁿ⁻¹+c×bⁿ⁻¹=cⁿ 2×5²+3×5²=5³ 50 + 75 =125 c×bⁿ⁻¹-c×aⁿ⁻¹=cⁿ-¹ 75-50=25 Last edited by Ak23; September 22nd, 2018 at 04:40 AM.
 September 22nd, 2018, 04:39 AM #34 Newbie   Joined: Sep 2018 From: tunis Posts: 27 Thanks: 0 Can we put the RHS and LHS in the elliptic curves? Last edited by Ak23; September 22nd, 2018 at 05:18 AM.
 September 22nd, 2018, 08:40 AM #35 Global Moderator   Joined: Dec 2006 Posts: 20,820 Thanks: 2159 Remove what? What elliptic curves? How does this relate to math software? Thanks from Ak23

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