The length of the chord of the parabola |
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a) |
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b) |
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c) |
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d) |
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The length of the chord of the parabola |
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a) |
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b) |
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c) |
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d) |
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(d)
Chord through (2, 1) is (i)
Solving Eq.(i)with parabola we have
This equation has two roots and
Then, sum of roots