Question

Find x,so that 2x+1,x2+x+1,and 3x2-3x+3 are consecutive term of an AP​

Answer 1

Step-by-step explanation:

Here d (difference )= X2+X+1 - 2X+1

=X2-X

since in an AP 3 term =first term + 2 difference

there for,

3X2-3X+3=2X+1+2 (x2-x)

X2-3X-2=0