Question

a²+a-2, ‌a²+3a+2, ও a²-1 রা‌শিগু‌লোর ল.সা.গু নির্ণয় কর?​

Answer 1

Answer:

(a-1)(a+1)(a+2)

Step-by-step explanation:

hope it'll help you make it brainliest answer please

Answer 2

Answer:

(a+1)(a-1)(a+2)

Step-by-step explanation:

a²+a-2=a²+2a-a-2=a(a+2)-1(a+2)=(a+2)(a-1)

a²+3a+2=a²+2a+a+2=a(a+2)+1(a+2)=(a+2)(a+1)

a²-1=a²-1²=(a+1)(a-1)