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प्रश्न
Evaluate : `("a"/(2"b")+(2"b")/"a")("a"/(2"b")-(2"b")/"a")`
योग
उत्तर
`("a"/(2"b")+(2"b")/"a")("a"/(2"b")-(2"b")/"a")`
`="a"/(2"b")("a"/(2"b")+(2"b")/"a")+(2"b")/"a"("a"/(2"b")-(2"b")/"a")`
`="a"^2/(4"b"^2)-1+1-(4"b"^2)/"a"^2`
`="a"^2/(4"b"^2)-(4"b"^2)/"a"^2`
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Product of Sum and Difference of Two Terms
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