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Question
secondary 4 | A Maths
10 Answers Below
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Date Posted: 4 years ago
Views: 217
Seen, later
I do on a bit by bit basis from 4 pm onwards
I see no Sec 3 and Sec 4 question being posted by anyone, so I will close session for the day.
Later I will post two more qns.
Tomorrow I start the new chapter
Tomorrow I start the new chapter
See 10 Answers
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Q12
Date Posted:
4 years ago
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Q9
Black pen down
Black pen down
Date Posted:
4 years ago
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Q10
Expressions in the form ln (linear/linear) such as this question will never have a stationary point.
Remember that denominators cannot equal zero.
I use this light blue pen now, tell me if you cannot see the writing clearly. Red pen is for explanation.
Expressions in the form ln (linear/linear) such as this question will never have a stationary point.
Remember that denominators cannot equal zero.
I use this light blue pen now, tell me if you cannot see the writing clearly. Red pen is for explanation.
Date Posted:
4 years ago
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Q11
As usual, not necessary to show that it is a minimum, but to show it, we just do d2y/dx2, which gets you 4e^2t + 8e^-2t which is clearly more than zero since e^x > 0 for any x and the coefficients 4 and 8 are positive.
As usual, not necessary to show that it is a minimum, but to show it, we just do d2y/dx2, which gets you 4e^2t + 8e^-2t which is clearly more than zero since e^x > 0 for any x and the coefficients 4 and 8 are positive.
Date Posted:
4 years ago
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Q13
Date Posted:
4 years ago
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Q14, Q15
Date Posted:
4 years ago
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Q16
Date Posted:
4 years ago
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Q17
Date Posted:
4 years ago
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Q18
Date Posted:
4 years ago
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Q19
Next
Next
Date Posted:
4 years ago
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