Question

x²-y²=144 then x+y= ​when x and y are primes

Answer 1

Answer:

here is your answer-

Step-by-step explanation:

May it helps You.

Please mark me as brainliest

Answer 2

Step-by-step explanation:

x

2

=2y

2

+1

2y

2

+1 is an odd number. Therefore, x

2

is odd and so x is odd.

Let x=2k+1.Therefore,

x

2

=(2k+1)

2

=4k

2

+4k+1

or 4k

2

+4k+1=2y

2

+1

or 2y

2

=4k

2

+4k

i.e., y

2

is even or y is even; y is also prime. Therefore, y=2.