if one zero of the polynomial p(x)=2x² - 6kx+6x-7 is negative of the other, then the value of k is
a) 1
b) 2
c) 3
d) 4
URGENT!!
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Answered by
0
Answer:
4
Step-by-step explanation:
4 is the answer please make me brainliest
Answered by
1
Step by Step
Since, one root is negative of the other, here t he sum of those two roots=0
As per the given polynomial, the sum of the tw o roots = (-b)/a= [6(1-k)]/2 = 0.
Or, 3.(1 k) = 0. => 1-k=0.
Hence, k = 1. (Ans.)
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