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Most Important Selected Qs for JEE AdvancedMathematicsStraight Lines

Find number of integral values of if ( , +1) is an interior points of A B C , where A (0,3), B (-2,0) and C (6,1) .

Correct answer

02

Step-by-step solution

Since ( , +1) lies on y=x+1 equation of A B: 3 x-2 y+6=0 ; B C: x-8 y+2=0 ; A C: x+3 y-9=0 Line y=x+1 cuts A C at P ( 3 2 , 5 2 ) cut B C at Q ( -6 7 , 1 7 ) . Hence ( -6 7 , 3 2 )

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