Question

If P(2)=–3 and P(3)=17 in the polynomial P(x)=3x³ –7x² + ax + b
Find the values of a and b
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Answer 1

Answer:

a = -2 and b = 5

Step-by-step explanation:

2a + b = 1

3a + b = -1

solving by elimination method

2a + b = 1

3a + b = -1

-. -. +

-a = 2

a = -2

and b = 5