Question

Cofficient of x2 in 3×3+2×2-x+1

Answer 1

Answer:

Coefficient of x  

2

 in ax  

2

+bx+c=0 is a.

Hence, coefficients of x  

2

  in

(i) 2+x  

2

+x is 1

(ii) 2−x  

2

+x  

3

 is −1

(iii)  

2

π

​  

x  

2

+x  is  

2

π

​  

 

(iv)  

2

​  

x−1 is 0

Step-by-step explanation:

Answer 2

Answer:

2

Step-by-step explanation:

The coefficient of x² in p(x)=3x³+2x²-x+1 is 2