Question

28 If a=1.2, b=2.1, C=-3.3 find the value of a+b+c-3abc
a) o
b) 11
c)2
d) 3​

Answer 1

Answer:

as we know that a+b+c-3abc=(a+b+c) a²+b2+c²-ab-bc-ca

then you can solve