Question

(x² - 2y²)² + 4x²y² for class 8 NCERT send Solution with photo​

Answer 1

Step-by-step explanation:

$( {x}^{2} - 2 {y}^{2} ) {}^{2} + 4 {x}^{2} {y}^{2} \\ = {x}^{4} + 4 {y}^{4} - 4 {x}^{2} {y}^{2} + 4 {x}^{2} {y}^{2} \\ = {x}^{4} + 4 {y}^{4}$