Let

, where

and let

be any real constant.
Given this definition of scalar multiplication, we can see right away that there is no identity element

such that

because
Answer:
1556963
Step-by-step explanation:
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-1 i think that the answer is -1
Refer to the image attached.
Since, we have to divide the polynomial
by (x+2) using synthetic division.
We will divide the coefficients 4 -2 3 by -2
First term = 4 will remain same.
Second term = 
So, second term = -10
Third term = 
So, third term = 23
So, 4 -10 23 is the correct answer
So, Option 2 is the correct answer.