1 Answer

Mentinet · Answer 1 · 2022-08-09T15:07:38+0000

Answer:

n + y

Explanation:

a² - b² = (a +b)(a - b)

(n^(2)-y^(2))/(n+y) ÷
$(n - y )/(n + y ) = ((n + y)(n - y))/((n + y))*((n + y))/((n - y))\\\\$

{ (n + y) in the denominator and numerator will be cancelled ;

(n - y) in the denominator and numerator will be cancelled

= n + y

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