If x+2 is a factor of x^3-2ax^2+16, then value of a is
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Answered by
3
Answer:
Step-by-step explanation:
IF X+2 IS A FACTOR
X+2=0
X= -2
X^3-2AX^2+16=0
SUBSTITUTE X= -2
-8-8A+16=0
8-8A=0
A=-8/-8=1
THEREFORE A=1
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Answered by
2
Answer:
this is your answer with process.
Step-by-step explanation:
x+2
x+2=0
x=-2
p(x)=x³-2ax²+16
p(-2)=(-2)³-2 X a X (-2)²+16
=-8-2a X (-4)+16
=-10a X -4+16
=-10a X 12
10 X -12=a
-120=a
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