3. The length of double ordinate of parabola `y^2 = 8x` which subtends an angle `60^@` at ver
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To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW 3. The length of double ordinate of parabola `y^2 = 8x` which subtends an angle `60^@` at vertex is
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