If the line segment joining the points ( 5 , 2 ) and ( 2 , a ) subtends an angle 4 π at the origin, then the absolute value of the product of all possible values of a is :

Question

If the line segment joining the points ( 5 , 2 ) and ( 2 , a ) subtends an angle 4 π ​ at the origin, then the absolute value of the product of all possible values of a is :

TestHub · Accepted Answer

​ m OA ​ = 5 2 ​ m OB ​ = 2 a ​ ​ ​ tan 4 π ​ = ​ 5 2 ​ − 2 a ​ ​ 1 = ​ 10 + 2 a 4 − 5 a ​ ​ ​

Mathematics - Straight Lines Question with Solution | TestHub

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