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2. For the function f, given by f(x) = 2x3 – 9x2 + 12x + 9, show that f'(1) = f'(2).
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Answers
Answered by
0
Answer:
13
Step-by-step explanation:
this is the right answer
Answered by
1
Answer:
f'(1)=f'(2)
Step-by-step explanation:
f(x) = 2x³-9x²+12x+9
f'(x)=6x²-18x+12
f'(1)= 6(1)²-18(1)+12
=6(1)-18+12
=6+12-18
=0
f'(2)= 6(2)²-18(2)+12
=6(4)-18(2)+12
=24-36+12
=24+12-36
=0
ans. f'(1)=f'(2)
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