Question

6. (1) a3 + b3 + a +b​

Answer 1

Answer:

( a+b) (a2 +ab +b2+1)

Step-by-step explanation:

=(a)3 + (b)3 + a + b

=(a + b) (a2 - ab+b2) +(a+b)

=(a+b) (a2- ab+b2+ 1 )