12^2+16^2=c^2

解

1 2^{2} + 1 6^{2} = c^{2}

c = 20, c = - 20

解答ステップ

1 2^{2} + 1 6^{2} = c^{2}

辺を交換する

c^{2} = 1 2^{2} + 1 6^{2}

簡素化

1 2^{2} + 1 6^{2} : 400

x^{2} = f (a)

の場合, 解は

x = f (a), - f (a)

c = 400, c = - 400

400 = 20

- 400 = - 20

c = 20, c = - 20