CBSE Class 10 Answered
if x=2 is a zero of the polynomial xsquare-3x+k find the value of k
Asked by sanjaypadmanabhan99 | 03 Apr, 2014, 12:11: PM
Expert Answer
Since x = 2 is a zero of the polynomial
Therefore p(2) = 0
Let p(x) = 
Therefore p(2) = 
= 4 - 6 + K
= -2 +k
Since p(2) = 0
Therefore p(2) = -2+k = 0
Hence k = 2
Answered by | 03 Apr, 2014, 12:29: PM
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