Question

Simplify the given expression and find its value when 1 = 1, m = -1, n = 2. 1(12 – mn) + m (m2 – In) + n(n2 – Im) + 3lmn​

Answer 1

Answer:

pls mark me brilliant

Step-by-step explanation:

m= -1 is the correct answer

Answer 2

Answer:

Refer the attachment:)