Question

(iii) If x = 3 and y = 2, then the value of (x - y)(x2 + xy + y2) is
(a) 31
(6) 19
(c) 1
(d) 25​

Answer 1

Answer:

(x-y) (x2+xy+y2)= x3-y3

Step-by-step explanation:

x=3 y=2

(3-2)(3*3+3*2+2*2)=3*3*3-2*2*2

27-8=19