Question

If m = (3x-1) and n = (3x+1),sjow that x² = mn+1 by 9​

Answer 1

Explanation:

`{x}^(2) = (mn + 1)/(9)`

`(3x - 1)(3x + 1)`

`9 {x}^(2) - 1`

`{x}^(2) = \frac{9 {x}^(2 ) - 1 + 1 } {9}`

`{x}^(2) = \frac{9 {x}^(2) }{9}`

`{x}^(2) = {x}^(2)`

So this identity is true.