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  1. The value of the expression x4 – 17x3 + 17x2 – 17x + 17 at x = 16 is
    1. 0
    2. 1
    3. 2
    4. 3
Correct Option: B

x4 – 17x3 + 17x2 – 17x + 17
= x4 – 16x3 + 16x2 – 16x – x3 + x2 – x + 17
When x = 16,
Expression = 164 – 164 + 163 – 162 – 163 + 162 – 16 + 17 = 1


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