Grade 12th passDifferential Calculus
i hv attached the question. i am getting 9. i just want to clarify my ans.
i hv attached the question. i am getting 9. i just want to clarify my ans.
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1 Answer
Arun
Approved Tutor Answer7 Years agoDear student
f’(x) = 3x^2 + 12 x + p
for make it decresing it should have roots as – 1 and – 3
hence
3 – 12 + p = 0
p = 9
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