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प्रश्न
Make L the subject of formula T = `2pisqrt("L"/"G")`
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उत्तर
T = `2pisqrt("L"/"G")`
⇒ `"T"/(2pi) = sqrt("L"/"G"`
squaring both sides
⇒ `("T"/(2pi))^2 = "L"/"G"`
⇒ `"G"("T"/(2pi))^2` = L
⇒ L = `("GT"^2)/(4pi^2)`.
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