. If x = -2, then the value of 1 + x + 2x2 is
If x = -2, then the value of 1 + x + 2x2 is
(a) 0.
(b) 3.
(c) -3.
(d) 7.
Best Answer
Ans: (b)
Explanation:
Putting x = -2 in 1 + x + 2x2, we get:
1 + (-2) + (-2)2 = 3
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If x = -2, then the value of 1 + x + 2x2 is
(a) 0.
(b) 3.
(c) -3.
(d) 7.
Ans: (b)
Explanation:
Putting x = -2 in 1 + x + 2x2, we get:
1 + (-2) + (-2)2 = 3