# A curve y = ax2 + bx + c passing through the point (1, 2) has slope at origin equal to 1. then ordered triplet (a, b, c)

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A curve y = ax2 + bx + c passing through the point (1, 2) has slope at origin equal to 1. then ordered triplet (a, b, c) may be

(1) (1, 1, 0)

(2) ($1\over2$, 1, 0)

(3) (−$1\over2$, 1, 1)

(4) (2, −1, 0)