| Wat is correct ? |
|---|
| A. \(\boldsymbol{\text{Als }\;x+\frac1x = y \; \text{ dan is }\; x^2+\frac{1}{x^2}=y^2-2 }\) |
| B. \(\boldsymbol{\text{Als }\;x+\frac1x = y \; \text{ dan is }\; x^2+\frac{1}{x^2}=y^2+2 }\) |
| C. \(\boldsymbol{\text{Als }\;x+\frac1x = y \; \text{ dan is }\; x^2+\frac{1}{x^2}=y^2 }\) |
| D. \(\boldsymbol{\text{Als }\;x-\frac1x = y \; \text{ dan is }\; x^2-\frac{1}{x^2}=y^2+2 }\) |
| E. \(\boldsymbol{\text{Als }\;x-\frac1x = y \; \text{ dan is }\; x^2-\frac{1}{x^2}=y^2-2 }\) |
[ 4-2300 - op net sinds 1.3.00-(E)-10.12.2023 ]
| What is correct ? |
|---|
| A. \(\small\boldsymbol{\text{If }\;x+\frac1x = y \; \text{ then }\; x^2+\frac{1}{x^2}=y^2-2 }\) |
| B. \(\small\boldsymbol{\text{If }\;x+\frac1x = y \; \text{ then }\; x^2+\frac{1}{x^2}=y^2+2 }\) |
| C. \(\small\boldsymbol{\text{If }\;x+\frac1x = y \; \text{ then }\; x^2+\frac{1}{x^2}=y^2 }\) |
| D. \(\small\boldsymbol{\text{If }\;x-\frac1x = y \; \text{ then }\; x^2-\frac{1}{x^2}=y^2+2 }\) |
| E. \(\small\boldsymbol{\text{If }\;x-\frac1x = y \; \text{ then }\; x^2-\frac{1}{x^2}=y^2-2 }\) |
