2x2(x-1)(x2+1)=A(x-1) +B(x+1)(x2+1) অভেদে A ও B এর মান কত?
A
A = 1, B = 1
B
A =-1 , B =1
C
A =1 , B=-1
D
A=-1 , B=-1
Correct Answer: A = 1, B = 1