Question

determine x so that 2x+1,x2+x+1and 3x2-3x+3 are conseutive terms of AP

Answer 1

Answer:

Step-by-step explanation:

2x+1,2+x+1 and 3x²-3x+3

Are in AP

T(3)—T(2) =T(2) —T(1)

3x²—3x+3—(2+x+1) = 2+x+1—(2x+1)

3x²—3x—2=0

x = 3±√33

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6