if x minus 2 is factor of 3 X raised to 4 - 2 x cube + 7 x square - 21 X + k then find the value of k is
Answers & Comments
kittu49
Because (x-2) is a factor of given polynomial .•. zeros is x=2 by putting the value in the polynomial we obtain, 3×2^4-2×2^3+7×2^2-21×2+k=0 or 48-16+28-42+k=0 or 76-58+k=0 or 18+k=0 .•. k=-18 answer
Answers & Comments
.•. zeros is x=2
by putting the value in the polynomial we obtain,
3×2^4-2×2^3+7×2^2-21×2+k=0
or 48-16+28-42+k=0
or 76-58+k=0
or 18+k=0
.•. k=-18 answer