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secondary 4 | A Maths
7 Answers Below
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Thanks u
Date Posted: 4 years ago
Views: 195
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End of session
I post qns first
Kathy, my phone is not in good condition at the moment. I will do all questions when I return.
Ok thank
My phone is currently experiencing the same problem as two months ago when I had trouble answering all questions in this forum via the app
How can u help me out?
When I return from laptop
Ok
Remember that the laptop version does not let me know of any incoming notifications so your questions by the comments section may go unnoticed until my phone is back to normal
Ok. I will send when u reply me. I just upDate this app
You can post first, maybe the other tutor can post the answers if he is there. I can help also, currently I am hoping that this phone does not die off on its own again like just now a few times
Ok
See 7 Answers
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Q8
Will do the rest all slowly
Will do the rest all slowly
Date Posted:
4 years ago
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Q9
I will do finish this one first before going on to the other one and finally the quotient rule one, in this order, provided I have time. I will do them at a slow rate.
I will do finish this one first before going on to the other one and finally the quotient rule one, in this order, provided I have time. I will do them at a slow rate.
Date Posted:
4 years ago
Ok . Thank you
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Q10
As you proceed in this chapter, you must not forget tour earlier topics. Notice how a seemingly innocent differentiation question suddenly becomes a cubic equation in x. Fortunately, we are able to extract x out as a common term here, but not all cases we can do that.
In the event that the cubic equation requires you to guess a number, remember that x = 3 was already one of the points of intersection (obviously), so x - 3 is a factor.
As you proceed in this chapter, you must not forget tour earlier topics. Notice how a seemingly innocent differentiation question suddenly becomes a cubic equation in x. Fortunately, we are able to extract x out as a common term here, but not all cases we can do that.
In the event that the cubic equation requires you to guess a number, remember that x = 3 was already one of the points of intersection (obviously), so x - 3 is a factor.
Date Posted:
4 years ago
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Q11, without the sketching part
Date Posted:
4 years ago
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Q11, sketching
I have included the quadratic curve, the tangent at A, the normal to the other point (which is parallel to the tangent at A) and the tangent to the other point (which is perpendicular to this normal at the same point).
I have included the quadratic curve, the tangent at A, the normal to the other point (which is parallel to the tangent at A) and the tangent to the other point (which is perpendicular to this normal at the same point).
Date Posted:
4 years ago
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Q12
Date Posted:
4 years ago
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Q13
At the last part we reject x = 3, because the tangent at x = 3 cannot be “parallel” to the tangent at x = 3.
You cannot talk about the parallelity of two “identical lines”. Parallel is meant for two lines which have the same gradient but do not meet at all.
At the last part we reject x = 3, because the tangent at x = 3 cannot be “parallel” to the tangent at x = 3.
You cannot talk about the parallelity of two “identical lines”. Parallel is meant for two lines which have the same gradient but do not meet at all.
Date Posted:
4 years ago
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