समीकरणों x/a + y/b = 2, ax – by = a2 – b2 की प्रणाली के हल हैं।
(A) x = a, y=b
(B) x =-a, y=-b
(C) x = a, y=-b
(D) x =-a, y=b
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your answer is (A) x=a and y=b.
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