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If the normals drawn to the hyperbola xy = 4 at (alpha_(i), beta_(i)) (i = 1,2,3,4) are concurrentat the point (a, b), then ((alpha_(1) + alpha_(2) + alpha_(3) + alpha_(4)))/((beta_(1) + beta_(2) + beta_(3) + beta_(4)))(alpha_(1)alpha_(2)alpha_(3)alpha_(4)) = |
| Answer» Answer :B | |