Question

Please solve this...question..it may come in my exam.#math problem fast solve it and help me​

Answer 1

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