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प्रश्न
Make R the subject of formula A = `"P"(1 + "R"/100)^"N"`
उत्तर
A = `"P"(1 + "R"/100)^"N"`
⇒ `"A"/"P" = (1 + "R"/100)^"N"`
Taking N the root both sides
⇒ `("A"/"P")^(1/"N") = (1 + "R"/100)`
⇒ `("A"/"P")^(1/"N") - 1 = "R"/(100)`
⇒ `100(("A"/"P")^(1/"N") - 1)` = R
⇒ R = `100(root("N")("A"/"P") - 1)`.
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