Click to Chat

0120-4616500

CART 0

• 0

MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: R

There are no items in this cart.
Continue Shopping
Get instant 20% OFF on Online Material.
coupon code: MOB20 | View Course list

Get extra R 400 off
USE CODE: SSPD25

```				   f(x+y2) = f(x) + [f(y)]2
f is not 0 f is diff. at 0 then find f ' (0)
```

6 years ago

Share

```										Dear dinesh
f(x+y2) = f(x) + [f(y)]2
put y=x
f(x+x2) = f(x) + [f(x)]2
differentiate
(1+2x)f'(x+x2) = f'(x) + 2f'(x)[f(x)]
put x=0
f'(0)=f'(0) + 2'f(0)[f(0)]
or   f'(0)[f(0)]=0
so f'(0) =0

Please feel free to post as many doubts on our discussion forum as you can. If you find any question Difficult to understand - post it here and we will get you the answer and detailed solution very quickly. We are all IITians and here to help you in your IIT JEE preparation.  All the best.  Regards, Askiitians Experts Badiuddin

```
6 years ago

# Other Related Questions on Differential Calculus

what double derivative mean graphically for a function ?

The second (or double) derivative of a functionfmeasures theconcavityof the graph off. A function whose second derivative is positive will beconcave up, meaning that thetangentline will lie...

 Vijay Mukati one year ago

The second (or double) derivative of a functionfmeasures theconcavityof the graph off. A function whose second derivative is positive will beconcave up, meaning that thetangentline will lie ...

 Raghu Vamshi Hemadri one year ago
Plz solve this

HInt:- For first question replace x + y = t and try to find it out. For second apply the formula of product rule of differenciation.

 Vijay Mukati one year ago
does limit of a function exist if its right hand limit exists but not left hand limit

Dear Student, for the limit of function to be exists, Both the Right hand and left hand limit should exists as well as they should be equal. Hence for the given case, limit will not exists....

 Vijay Mukati 11 months ago

Dear Your Q. is not stiesfies the defnition of limit so that we can simply say that one sided limit exists only this can not imply the existence of the limit.

 Kumar 2 months ago
FIND DOMAIN:- 1.sqrt cos(sinx) 2.sqrt sin(cosx) 3.1/sqrt 1+2sinx

For finding out the domain of the sqrt function, is should only take care of the condition that anything inside the sqrt should be always greater then or equal to positive only. It...

 Vijay Mukati 3 months ago

0 to 2pi ,,,,pi/2 to -pi/2 these are the answers to the first two questions... similarly solve the third question and obtain the domain. always remember that denominator not equal to zero...

 Rishabh Ranjan Das 3 months ago
integ of tanx/x dx solve it if you dare

Integral could not be found,

 Vijay Mukati one year ago
View all Questions »

• Complete JEE Main/Advanced Course and Test Series
• OFFERED PRICE: R 15,000
• View Details
Get extra R 3,750 off
USE CODE: SSPD25

Get extra R 400 off
USE CODE: SSPD25

More Questions On Differential Calculus