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Differentiation

Maths & Stats

answered on 09-Jul-25 11:29

In differentiation we got d/dx(x^n)=n.x^n-1 But in video it is d/dx(x^n)=n.x^n+1 Which is correct [video Time Stamp: 07:34]

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Now I got it Thanks sir

Gurukanta Singh

Gurukanta Singh

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Differentiation of parametric equation

Maths & Stats

answered on 07-Jul-25 14:33

In example X=at^3 Y=2at Find dy/dx When we found dx/dt we got 3t^2 from at^3 The value which we got from at^3 t^3=3(t)^2 [video Time Stamp: 05:43]

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Thanks sir

Gurukanta Singh

Gurukanta Singh

CA Foundation

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41

Derivative of function of a function

Maths & Stats

answered on 07-Jul-25 14:20

Y=1+x^2 How we got dt/dx= 0+2x Y=logt dy/dx=dy/dt×dt/dx [video Time Stamp: 10:10]

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At 3.59 faculty explained that differentiation of a constant w.r.t x the answer will be zero so diff of 1 + x power 2 = 2x

Gurukanta Singh

Gurukanta Singh

CA Foundation

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22

The PCDF isn't opening

Maths & Stats

answered on 27-Jun-25 20:31

CH 10 ICAI SM PDF isn't opening

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👍

Bhavagna reddy Puli

Bhavagna reddy Puli

CA Foundation

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29

Doubt

Maths & Stats

answered on 22-Jun-25 09:13

Can we take 6C1 and 6C5 in this question

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But if one 1 other has to be 5 Only options left are 2,4| 4,2 & 3,3

Gurukanta Singh

Gurukanta Singh

CA Foundation

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RTP

Maths & Stats

answered on 20-Jun-25 10:24

How to solve the question 6 and 7

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Q 6 (1+6%/12)^12 - 1 = 6.16% Q 7 Back work based on answers Since both numbers are round numbers without decimals investment amount is also a non decimal X + X*3*8% = 2688 solve for x like this try for 5%, 4% & 1 % you will get initial investment / principal as 5% at which both P + I for 3 year and 4 year both will match

Gurukanta Singh

Gurukanta Singh

CA Foundation

11K+

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22

Doubt

Maths & Stats

answered on 20-Jun-25 10:29

For ladies first case it is 7c2 or 7c3

latest answer

7c2.

Gurukanta Singh

Gurukanta Singh

CA Foundation

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28

Business mathematics chapter 1

Maths & Stats

answered on 27-May-25 16:19

How to solve question 50,51 and 52

latest answer

yes. In CA foundation , the goal is to answer quickly. You have 120 minutes for 100 questions ie 72 seconds per question so whichever is faster method go for it

Gurukanta Singh

Gurukanta Singh

CA Foundation

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70

Mathematics study sequence

Maths & Stats

answered on 24-May-25 17:47

Should I start all Business mathematics, logical reasoning and statistics together or one by one, like first business mathematics then logical reasoning and last statistics?

latest answer

No specific order is required Anything is fine

kalyani Mante

kalyani Mante

CA Foundation

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39

How to get the value

Maths & Stats

answered on 20-May-25 09:51

If a=b*x, b=c*y, c=a*x then find the value of XYZ is A 1 B 2 C 3 D 42 Is there any simple way to solve this question

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a = b power x or b multiplied by x

Gurukanta Singh

Gurukanta Singh

CA Foundation

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44

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