Find the value of a if x-a is a factor of x3-ax2+2ax+a-1
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Answered by
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Answer:keep the value of x =a and then eauate p(a)to. 0
Step-by-step explanation:
Answered by
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Step-by-step explanation:
x-a is factor of x³-ax²+2ax+a-1
f(a) = (a)³-a(a)²+2a(a)-1
=a³-a³+2a²-1
2a²-1=0
a²=1/2
a=√1/2
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