Question

find the valu of 'r' if x-1 is a factor of p(x)
p(x)=Rx²-3x+R​

Answer 1

Answer:

R×1^2-3×1+R=1

R-3+R=1

2R-3=1

R-3=1/2

R=1/2-3

R=5/2

Answer 2

x-1=0

x=1

Rxsquare -3x+R=0

R×1-3×1+R=0

R-3+R=0

R+R=3

2R=3

R=3/2