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  1. If x +
    1
    = 3 , then the value of
    3x2 - 4x + 3
    is
    xx2 - x + 1

    1. 4
      3

    2. 3
      2

    3. 5
      2

    4. 5
      3
Correct Option: C

Given , x +
1
= 3
x

Expression =
3x2 - 4x + 3
x2 - x + 1

Expression =
(3x2 - 3x + 3) - x
x2 - x + 1

Expression =
3(x2 - x + 1)
-
x
x2 - x + 1x2 - x + 1

Expression = 3 -
1
x - 1 +
1
x

Expression = 3 -
1
x +
1
+ 1
x

Expression = 3 -
1
= 3 -
1
3 - 12

Expression =
6 - 1
=
5
22



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