Question

Factories :-x²by 16 - y²by 9​

Answer 1

Answer:

Given:

• To factorize x²/16 - y²/9

Solution:

》x²/16 - y²/9

》(x/4)² - (y/3)²

Using identity a² - b² = (a + b) (a - b)

》(x/4 + y/3) (x/4 - y/3)

____________________________________

Extra information:

• (a + b)² = (a - b)² + 4ab

• (a - b)² = (a + b)² - 4ab

• a² + b² = (a - b)² + 2ab

• a² + b² = (a + b)² - 2ab