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| 1. |
{ †ext { If the two lines } x + ( a - 1 ) y = 1 †ext { and } } { 2 x + a ^ { 2 } y = 1 ( a ϵ R - \{ 0,1 \} ) †ext { are perpendicular, } } { †ext { then the distance of their point of } } { †ext { intersection from the origin is: } |
| Answer» { †ext { If the two lines } x + ( a - 1 ) y = 1 †ext { and } } { 2 x + a ^ { 2 } y = 1 ( a ϵ R - \{ 0,1 \} ) †ext { are perpendicular, } } { †ext { then the distance of their point of } } { †ext { intersection from the origin is: } | |