Question

0
(XV) ax + by = 1
(a + b)
-1
bx + ay = a + b?​

Answer 1

Factorizingx2+(a+b)×+ab,=×2+ax+bx+ab,=x(x+a)+b(x+a)=(x+a)(x+b)....Middle school mathematics ch 15to 17.243 qs ..