ax-by=a-bbx-ay=a+b

1.	ax-by=a-bbx-ay=a+b
Answer» ax + by = a - b multiply by abx - ay = a + b multiply by b{tex}\\Rightarrow{/tex} x = 1{tex}\\therefore{/tex} a + by = a - bby = -by = -1{tex}\\therefore{/tex} x = 1y = -1 Thk तक

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