It x2 — y2 =15, and x + y =3 then x — y is :
Answers
Answered by
23
if it helps u..plz mark me as Brainliest
Thank u
Thank u
Attachments:
monikajha16:
Thanks much!!!
Answered by
15
Answer:
x - y = 5
Explanation:
_________________________
we know the algebraic identity:
x²-y² = (x+y)(x-y)
________________________
Given ,
x²-y² = 15 ----(1)
x+y = 3 ------(2)
Now ,
x² - y² = 15
=> (x+y)(x-y) = 15
=> 3 × (x-y) = 15 /*from (1)*/
=> x-y = 15/3
=> x - y = 5
Therefore,
x - y = 5
•••••
Similar questions