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Mathematics: Post your doubts here!

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If anyone gets hold of the question ppr pm me the link. Il try solving it andposting answers aftr 24 hours?
 
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Well I didn't have time left for Q7. Except for that Paper went well I guess...Please No Paper discussion in this thread before 24 hours.
 
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If anyone gets the Question Paper.. link it to me. whenever you get it... 1 week after 2 week after.. I want to get it solved by my teacher so that I can confirm my working for the questions.
 
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Question 7 was horrible! not ever came in past papers since 2001... Only Add math students were able to understand the half question but time was short. Q11 was very easy :D.. Further paper all after the break...... Wish all of you good luck!
 
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Question 7 was horrible! not ever came in past papers since 2001... Only Add math students were able to understand the half question but time was short. Q11 was very easy as integration of curve + integration of line BC. Where C was (2,0) :D.. Further paper all after the break...... Wish all of you good luck!
dude dont post answer it is not allowed :O
 
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Q3)
i) Perimeter of sector = ½(Perimeter of rectangle)
2r + rx = 4a
Sinx = a/r
a = rSinx
2r + rx = 4(rSinx)
2 + x = 4Sinx
Sinx = ¼(2 + x)

ii) x1 = 0.8
x2 = 0.7754
x3 = 0.7668
x4 = 0.7638
x5 = 0.7628
x6 = 0.7625

x = 0.76 (2 dp)

Q4)
i)
q4eGgvM.png


ii) tan²x + (6√3)tanx - 5 = 0
Let y = tanx
y² + (6√3)y - 5 = 0

Now you have to use quadratic formula. I am sure you can do that!

thnx a lot... i didnt c tht msg... :p :)
thnk u so much!
 
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