x^2 = 2y, (7, 49/2)
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If P ≡ ( x₁, y₁ ) ≡ ( 7, 49/2 ),
then the eq of tgt to parabola x² = 2y at P is
... xx₁ = y + y₁
∴ 7x = y + (49/2) ........................................… Ans.(i)
... Putting y = 0, 7x = 49/2
∴ X-intercept = 7/2 ........................................… Ans.(ii)
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then the eq of tgt to parabola x² = 2y at P is
... xx₁ = y + y₁
∴ 7x = y + (49/2) ........................................… Ans.(i)
... Putting y = 0, 7x = 49/2
∴ X-intercept = 7/2 ........................................… Ans.(ii)
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