Question

g algebraic express
23. After simplification. Find the value of the following algebraic ex
at m = -3, n = 2 and r = -1.
3 (m2 + n2 – 3 mnr + r2) – [5(2m² + n2 – 2mn) – {-r3 + 3 (m – 2) + 8mnzz
(A) 638 (B) -732 (C) -638
(D) 732
(E) None of these
14/hich one among the following contamonte is not on​

Answer 1

Step-by-step explanation:

by the way can't understand the question please put the equation properly