If (x- 3) is a factor of p(x)= x power 3 - kx power 2 + (k+1)x-12 find the value of k
Answers
Answered by
0
If (x+5) is a factor of f (x) then x+5=0:x=-5:should satisfy f (x)
Source putting -5 in f (x)...
(-5)³+(-5)²+3×(-5)+115
=-125+25-15+115
=0
Hence proved.
Similar questions