JEE Main · 2022 · 29 Jun 2022 · Shift 1 · Hyperbola

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Let , be a hyperbola such that the sum of lengths of the transverse and the conjugate axes is . If the eccentricity is , then value of is equal to ____.

Answer: 88

Solution

For the hyperbola, transverse axis length is and conjugate axis length is .

Given: , so .

Eccentricity: , so , giving .

Substituting into the sum:




So and .

Therefore: .

JEE Main · 2022 · 29 Jun 2022 · Shift 1 · Integer answer

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