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B
−1
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C
12
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D
−12
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Solution
The correct option is B12 limx→0xcosx−ln(1+x)x2 =limx→0x(1−x22!+.......)−(x−x22+....)x2, (using series expansion ) =limx→0x(−x22!+.......)−(−x22+....)x2=0+121=12