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```
p(x)=x^4+5x^3+4x^2-3x^2+9=(x-k)^2(ax^2+bx+c) where k is an integer and a,b,c are constants.Find the value of 5a-7b+8c
p(x)=x^4+5x^3+4x^2-3x^2+9=(x-k)^2(ax^2+bx+c) where k is an integer and a,b,c are constants.Find the value of 5a-7b+8c

```
6 years ago IIT Delhi
174 Points
```							for x=0    9=(k^2)c , if c=1 , k=3for x=1    16=4(a+b+1) a+b =3for x=2    53=4a+2b+1 4a+2b=522a=46, a=23 , b=-205*46-7*(-20)+8=378sher mohammadb.tech, iit delhi
```
6 years ago
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