If x2+b has a remainder 2 when divided by x−2, then what will be b?
A
2
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B
1
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C
−1
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D
−2
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Solution
The correct option is D−2 Replace x as 2 in the expression: x2+b =22+b =4+b So, the remainder is 4+b, Now substitute the value of remainder 2. 4+b=2 b=2−4 b=−2