Question

Basic practices of algebraic expression x square-2y square

Answer 1

Solution:

x² - 2y²

= x² - (√2y)²

= (x+√2y)(x-√2y)

/* a²-b² = (a+b)(a-b) */

Therefore,

x²-2y² = (x+√2y)(x+√2y)

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