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If e + f = 3g, then find the value of [3/(e - f)] + [4/(3g - 2e)]
1. - 1/(e - f)
2. 1/(e - f)
3. 5/(f - g)
4. 6/(g - f)

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Correct Answer - Option 1 : - 1/(e - f)

Given

e + f = 3g

Calculation

[3/(e - f)] + [4/(3g - 2e]

⇒ [3/(e - f)] + [4/(e + f - 2e)]

⇒ [3/(e - f)] + [4/(- e + f)]

⇒ [3/(e - f)] - [4/(e - f)]

⇒ - 1/(e - f)

∴ [3/(e - f)] + [4/(3g - 2e)] is - 1/(e - f)

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