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Mathematics: Post your doubts here!

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I messed up pretty bad in the volume one, the vectors i managed. But i dont know if my answers correct......but the saddest thing was, i messed up the difrentiation of the trignometry function to find stationary points :'( i just cudnt figure it out. Came home and realized what i had to do.......i hope i get an A....
 
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Woooaahhhh !!!! wat a LEVEL paper 32 was that
CIE are like pressurized to increase the difficulty level :p
Alhamdulillah paper went well expecting 75/75 Insha Allah :)

What abt u guys ??
 
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Woooaahhhh !!!! wat a LEVEL paper 32 was that
CIE are like pressurized to increase the difficulty level :p
Alhamdulillah paper went well expecting 75/75 Insha Allah :)

What abt u guys ??
Haha, great to hear that. I'm expecting 50/50 in M1, not so confident about P3 though. Just a little confused about the 2 points in the last question,
didn't get time to cross check my answers with the equations given. Hoping for 72-74/75 :D
 
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1 hour 45 min isnt enough! If the papers were 2hours i wouldnt be so damn depressed right now lol.
 
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The 94% probability is the area in the MIDDLE, which means there is a "tail" on either side, of 3% probability. When you look for z value you need to count from the left side, or negative infinity. So here the probability is 0.94 + 0.03 = 0.97
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