Question

please write the answer​

Answer 1

Answer:

Explanation:

(1+x)(1+x  

2

)

7+x

​

=  

1+x

A

​

+  

1+x  

2

 

Bx+C

​

 

⇒7+x=A(1+x  

2

)+(Bx+C)(1+x)

⇒7+x=A(1+x  

2

)+B(x+x  

2

)+C(1+x)

On comparing coefficients  

A+B=0,B+C=1,A+C=7⇒A=3,B=−3,C=4