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15. If f(x)=x2 + ax+b be an integral funtion of the integral variable x then 1 a is an integer and b is arational fraction 2 a and b are integer 3 b is an integer and a is a rational fraction 4 a and b are rational fraction |
| Answer» 15. If f(x)=x2 + ax+b be an integral funtion of the integral variable x then 1 a is an integer and b is arational fraction 2 a and b are integer 3 b is an integer and a is a rational fraction 4 a and b are rational fraction | |