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Question
Find the value of : `[(18.5)^2 - (6.5)^2]/[18.5 + 6.5]`
Sum
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Solution
`[(18.5)^2 - (6.5)^2]/[18.5 + 6.5]`
= `[(18.5 + 6.5 )(18.5 - 6.5)]/[(18.5 + 6.5)]`
= 12
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