Question

use the formula to multiply the following(a+b)(a-b)​

Answer 1

Answer:

(a square) - (b square)

Answer 2

$\star$ ( a + b ) ( a - b )

➩ ( a + b ) × ( a - b )

$\sf➩ a² - \cancel{ab }+ \cancel{ab } - b²$

➩ a² - b²

$\therefore \sf (a + b)(a - b) = {a}^{2} - {b}^{2}$