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प्रश्न
Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find the rational number which when multiplied by y to get x.
उत्तर
Given, x = `(-4)/9`, y = `5/12` and z = `7/18`
Suppose, if A is multiplied by y, then we get x
i.e. A × y = x
⇒ `A xx 5/12 = (-4)/9`
⇒ A = `(-4)/9 xx 12/5 = (-48)/45`
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