Question

(6°+7°)(6°-7°) find the value

Answer 1

Step-by-step explanation:

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

$(6 + 7)(6 - 7) = {6}^{2} - {7}^{2}$

$= 36 - 49 \\ \\ = - 13$

hope it helps!!

Answer 2

Answer:

(6+7) (6-7)

${( 6 - 7)}^{2} \\ = { - 1}^{2} \\ = 1$