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ELEN [110]
2 years ago
7

(3,3p) and (4,p²+1) has gradient -1 find p​

Mathematics
1 answer:
ra1l [238]2 years ago
3 0

\frac{p {}^{2} + 1 - 3p }{4 - 3}  = -1

p {}^{2}  - 3p + 1 = -1

p {}^{2}  - 3p +2 = 0

(p-2)(p - 1) = 0

p = 2 \:  \:  \:  \:  \: p = 1

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