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प्रश्न
Find the duplicate ratio of the following :
(a+b): (a2- b2)
उत्तर
(a+b): (a2- b2)
= `("a + b")^2 : ("a"^2 - "b"^2)^2`
= `("a + b")^2/(("a + b")^2 ("a - b")^2)`
= `1/("a" - "b")^2`
Duplicate ratio = 1 : `("a - b")^2`
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