Q14. The polynomial bx + 3x - 3 and 2x - 5x + b when divided by
(x - 4)leave remainders R1 and R2 respectively. Find the value of b, if
2R1-R2=0.
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f(x)= bx+3x-3 f(x)= 2x-5x+b
g(x)= x-4 g(x)= x-4
x=4 x=4
f(4)= b(4)+3(4)-3 f(4)= 2(4)-5(4)+b
0= 4b+12-3 0= 8-20+b
0=4b+9 =R1 0=-18+b=R2
given that 2R1-R2=0
2(4b+9)-(-18+b)=0
8b+18+18-b=0
7b+36=0
7b=-36
b=-36/7
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