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Recent content by Faithix MFSH

  1. Faithix MFSH

    Physics: Post your doubts here!

    Guys need urgent help here. 9702/52/M/J/13 Question 2 Part d(i) And therefore (e) My gradient is: 44.9 x 10^-3 And hence my E becomes 3.56 And my V, in (e) is therefore 55.6 +/- 5 According to the marking scheme, I went wrong at part (d)(i), E they say, is my answer x 10^4 Someone please...
  2. Faithix MFSH

    Physics: Post your doubts here!

    Can someone please help me with this one? I know how these questions go but this one seems abit tricky. They said A graph is plotted of V/E on the y-axis against 1/R on the x-axis. Express the gradient in terms of F. Now if the gradient is y/x I get Gradient = VR/E Now in terms of F From...
  3. Faithix MFSH

    Physics: Post your doubts here!

    Guys can someone help me here? This question is from W13 physics 42. Regarding the ADC 4bit question, how do I continue the table for the next five samples? How do I convert the voltage values into binary digits or bits?
  4. Faithix MFSH

    Mathematics: Post your doubts here!

    Okay I just saw this so Im gonna try it now, but either way, whether it makes sense or not; Thank you very much for working it out.
  5. Faithix MFSH

    Mathematics: Post your doubts here!

    Can someone solve this? I solved part (i) easily and part (ii) doesn't depend on part (i) so let it go. Now in part (ii) I was able to draw the circle with centre i and radius 1. I just wasn't able to draw a locus with angle 3/4 pi to the real axis. Can someone help me draw the locus and...
  6. Faithix MFSH

    Mathematics: Post your doubts here!

    If you solved it and managed to reach the given final answer, please do upload a full stepped solution. Also, I didn't really understand what you said in the past comment.
  7. Faithix MFSH

    Mathematics: Post your doubts here!

    Yes I know that. But Im not using angle BOC im using BAC. Using BAC to find the area of so sector includes the area of the segments above OB and OC, but using angle BOC includes the area of the segments below AC and AB which is fine but that's not the flawless answer.
  8. Faithix MFSH

    Mathematics: Post your doubts here!

    Can someone help me with this question? The question is as follows: Basically I found the area of the ABC sector and added the segments below the AB and AC lines. This is how I went: AB = 2r.cos(theta) AngleBAC = 2(theta) A of sector ABC = 1/2 x (AB)^2 x (2theta) = 1/2 x (4r^2.cos^2theta.) x...
  9. Faithix MFSH

    Mathematics: Post your doubts here!

    I dont understand the last step, the one right before the final answer.. How does the denominator finalize to become 1? I know that the numerator is the answer we're trying to reach, okay. But the denominator should be 1, now how does 1 + (tant) (tan 1/4pi) equate to 1? (tan 1/4pi) is equal to...
  10. Faithix MFSH

    Mathematics: Post your doubts here!

    Can someone please help me finish off this question? I sort of got stuck.. The question is as below: I solved and reached: Now the last step I'm supposed to: which should be quite simple, don't know what I'm missing. Can someone please help me out?
  11. Faithix MFSH

    Mathematics: Post your doubts here!

    It sounds very simple that I see it explained now. Thanks alot!
  12. Faithix MFSH

    Mathematics: Post your doubts here!

    Can someone please explain the solution to the second part of this question with detailed steps. Would be greatly helpful if you manage to explain your steps.. Info about the paper source is in the uploaded screenshot. Would be highly appreciated.
  13. Faithix MFSH

    Computers & ICT: Post your doubts here!

    Questions.. For 9713/s11/qp4 Task3 Can someone please tell me how the macro here is done? Using VBA code line by line or manual recording? I tried recording and it worked so far but couldnt get the text values in the header to fit in the header columns. They would be unordered and mess the...
  14. Faithix MFSH

    Computers & ICT: Post your doubts here!

    Need urgent help. Would be very appreciated. CIE AICT S13 P4 Q/TASK 3 MACRO QUESTION. [9713/04/M/J/13] Im supposed to filter data according to specific criteria and copy it onto two separate csv files. Is there a way to solve it perfectly without using the VBA code? just manually...
  15. Faithix MFSH

    Mathematics: Post your doubts here!

    The e^ix +1 = 0 (Euler's identity) is actually derived from euler's formula ye^ix = y(cosx + isinx). Thanks alot for simplification.
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