Differentiation

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

CA Foundation

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Differentiation of parametric equation

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

CA Foundation

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Derivative of function of a function

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

CA Foundation

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The PCDF isn't opening

answered on 27-Jun-25 20:31

CH 10 ICAI SM PDF isn't opening

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👍

Bhavagna reddy Puli

CA Foundation

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Doubt

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

CA Foundation

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29

RTP

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

CA Foundation

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Doubt

answered on 20-Jun-25 10:29

For ladies first case it is 7c2 or 7c3

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7c2.

Gurukanta Singh

CA Foundation

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28

Business mathematics chapter 1

answered on 27-May-25 16:19

How to solve question 50,51 and 52

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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

CA Foundation

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70

Mathematics study sequence

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?

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No specific order is required Anything is fine

kalyani Mante

CA Foundation

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How to get the value

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

CA Foundation

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