Question

find the value of n...?​

Answer 1

Answer:

4)-2

Explanation:

A.B=0

then, 4×2+n×3-2×1=0

8+3n-2=0

3n+6=0

3n=-6

n=-2

Answer 2

$\huge{\mathcal{BONJOUR \: !!}}$

Answer:

n = -2

refer to the attachment .