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
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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
.•. 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
Answered by
0
Answer:
K = -18 is the correct answer
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