Math, asked by adityadwivedi52, 11 months ago

the value of polynomial x²-6x+8 at x=a is -1, then what is the value of a​

Answers

Answered by An2528
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..

Mark the brainliest

Answered by ayeshaukaye04
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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