Consider the polynomial x3+2x+15−72x2−x6. The coefficient of x3
A
15
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B
25
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C
45
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D
35
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Solution
The correct option is A15 If we simplify the first term of the equation we will get 15x3+25x+15. There is no other term with the variable x3. So the co-efficient of x3 is 15.