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line y = x – 8 intersects parabola y2 = 4x in A and B . Find the length of the chord AB 

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STEP 1 :

equation the line : y = x – 8 …….. (1) 

Equation of parabola : y2 = 4x …….. (2) 

Line intersects parabola in A and B . 

Solving (1) & (2) : 

STEP 2 : 

length of chord AB 

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