Question

4. (i) If 2x + 1 is a factor of 2r + ax - 3, find
the value of a​

Answer 1

Answer:

-4r

Step-by-step explanation:

2x+1=0

2x=1

x=1/2. (1)

2r+ax=0

2r+a(1/2)=0. from 1

a(1/2)=-2r

a= -2r 2/1

i.e a= -2r ×2

a = -4r