find the valu of k, if x=1 is a factor of p(x) in each of the following cases? I (1) p(x)=kx²– 5x+k.
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Answer:
k=5/2
Step-by-step explanation:
put the value of x in the polynomial i.e x=1
p (x)=k×1×1-5×1+k=0
=k-5+k=0
= 2k-5=0
=2k=5
=k=5/2
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