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If the straight lines 2x + 3y - 1 = 0, x...

If the straight lines 2x + 3y - 1 = 0, x + 2y - 1 = 0 and ax+by-1 =0 form a triangle with origin as orthocentre, then (a, b) is given by

A

(6, 4)

B

(-3, 3)

C

(-8, 8)

D

(0, 7)

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The correct Answer is:
C
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