Question

Q14: (a-b)3 + (b-c)3 + (c-a)3
, find value?
15(a-b) (b-c) (c-a)
a) 2/5
b) 1/5
c) 2/3
d) 1/6​

Answer 1

Answer: Hope this helps you

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Step-by-step explanation: a) xy + xy′ = x ( y+y′)= x.1 = x

b) (x+y)(x+y′) = xx + xy′ + yx+yy′ = x + xy′ + xy + 0 = x (1+ y′ + y) = x.1= x

Also (x+y)(x+y′) =x+ yy′ = x + 0 = x

c) xyz + x′y + xyz′ = xy(z+z′) + x′y = xy +x′y = y(x+x′)=y

d) (A+B)′(A′+B′)′= (A′B′).(AB) = 0