the value of polynomial x²-6x+8 at x=a is -1, then what is the value of a
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Answered by
1
Answer:
According to the question,
a^2-6a+8=-1
a^2-6a+9=0
(a-3)^2=0
a-3=0
a=3
Hope it will help you..
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Answered by
0
Answer:
a=3
Step-by-step explanation:
x²-6x+8 at x=a so
a²-6a+8=-1
a²-6a+9=0
using a²-2ab+b²=(a+b)²
(a-3)²=0
a-3=0
a=3
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