Jason (5 Radium)
haha, a very nice question...
btw JEE advanced is one of the most toughest exams for undergraduate students..
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Forwarded from Mathematics Spmnetic!™ 🔢 (Afiq)
Kepada batch 08 yang still ada dalam channel ni, mintak semua untuk bawa bertenang dan ada perasaan redha dengan keputusan spm anda. Saya doa dan pasti anda semua calon spm 2025 akan dapat straight A!! Amin🤲❤️
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Forwarded from Mathematics Spmnetic!™ 🔢 (Afiq)
Kepada batch 09 juga, good luck for your upcoming exams, especially spm 2026. Be ready with every subject, conquer the chapter, jangan belajar last minit, dengar cakap cikgu dan jangan skip sekolah/kelas tambahan
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Jason (5 Radium)
Photo
Let x=length of the rectangle
h = height of the rectangle
Black line = h/tan(60°) = (h√3)/3
Using Pythagoras' Theorem,
[(h√3)/3 + x]² + h² = 36
h²/3 + (2xh√3)/3 + x² + h² - 36 = 0
h²(4/3) + [(2x√3)/3]h + (x²-36) = 0
h = [-(2x√3)/3 + √[(4x²/3)-(16/3)(x²-36)]]/(8/3)
h = [-x√3 + 3√(48-x²)]/4
Area of the rectangle, A = xh = x([-x√3 + 3√(48-x²)]/4)
dA/dx = (72-3x²-x√(144-3x²))/(2√(48-x²))
At Maximum, dA/dx = 0
(72-3x²-x√(144-3x²))/(2√(48-x²)) = 0
72-3x²-x√(144-3x²) = 0
=> x=-6 or x=2√3
Max A = 6√3
h = height of the rectangle
Black line = h/tan(60°) = (h√3)/3
Using Pythagoras' Theorem,
[(h√3)/3 + x]² + h² = 36
h²/3 + (2xh√3)/3 + x² + h² - 36 = 0
h²(4/3) + [(2x√3)/3]h + (x²-36) = 0
h = [-(2x√3)/3 + √[(4x²/3)-(16/3)(x²-36)]]/(8/3)
h = [-x√3 + 3√(48-x²)]/4
Area of the rectangle, A = xh = x([-x√3 + 3√(48-x²)]/4)
dA/dx = (72-3x²-x√(144-3x²))/(2√(48-x²))
At Maximum, dA/dx = 0
(72-3x²-x√(144-3x²))/(2√(48-x²)) = 0
72-3x²-x√(144-3x²) = 0
=> x=-6 or x=2√3
Max A = 6√3
Jason (5 Radium)
Photo
day 1 of studying addmaths everyday...🔥🔥 make sure u do 3 questions atleast a day...
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Forwarded from Sembang Maths
Percayalah cakap saya, mula lah sekarang. Jangan tunggu saat akhir. Pesanan yang sama dari saya, sebab saya dah tengok pelbagai situasi pelajar saat2 last nak spm
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Forwarded from K.Y. Chan
Recently I saw a few videos talking about ambiguous case of the law of sine for solutions of triangle.
Question: When you are learning this topic, do you find it difficult to understand it? And why?
Question: When you are learning this topic, do you find it difficult to understand it? And why?
Anonymous Poll
29%
Easy to understand
26%
Hard to understand
45%
Know what to do, but do not understand the concept
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