6
4. Find the value of xin
609) OS
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Answered by
0
Step-by-step explanation:
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Answered by
0
Answer:
f(x)=x4−62x2+ax+9
f′(x)=4x3−124x+a
f attains its maximum value on the interval [0,2] at x=1.
Therefore,
f′(1)=0
4−124+a=0
a=120
Hence, the value of a is 120.
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