IIT JAM
Loyal chakma Asked a Question
July 7, 2020 11:23 ampts 30 pts
  • IIT JAM
  • Mathematics (MA)

Q.17 let f: r2 > r be defined by )=* if x+y # 0 if x +y =0 then the value of + (a) 0 at the point (0, 0) is \dx dy dy dx / (b) i (c) 2 (d) 4 4 2

Q.17 Let f: R2 > R be defined by )=* if x+y # 0 if x +y =0 Then the value of + (A) 0 at the point (0, 0) is \dx dy dy dx / (B) I (C) 2 (D) 4 4 2
  • 3 Answer(s)
Answer Now
  • like-1
  • 1 Likes
  • 6 Comments
  • Shares
  • Arzoo Best Answer
    Attachment 1
    • cropped6261311779946324672.jpg
    Likes(1) Reply(0)
  • Vishal goswami thankyou
    see attachment
    • cropped5647151556390449143.jpg
    Likes(1) Reply(2)
    Loyal chakma
    we know fx(a,b)=f(a+h,b)/h-f(a,b)/h ...so why in the fourth line it wasn't substracted from f(h,0) as opposed to f(0,0(
  • Arzoo thankyou
    Attachment 2
    • cropped880664722948927907.jpg
    Likes(1) Reply(0)
  • Vishal goswami
    if you have any doubt than please ask me.
    Likes(0) Reply(0)
  • Vishal goswami
    we use these formulas
    • cropped1488835313029909414.jpg
    Likes(0) Reply(0)
  • Loyal chakma
    yes sir sure!..I mean to say shouldn't it be f(h,0) instead of f(0,0) as given in Ur answer for the partial derivative fy(h,0)...
    • cropped564849000718021696.jpg
    Likes(0) Reply(0)
How Eduncle Helps You ?
StudentTutorInstitutionApp
Help
FAQsPayment TermsRefund PolicyAsk Support
Head Office :
MPA 44, 2nd floor, Rangbari main Road Mahaveer Nagar II, Kota (Raj.) - 324005

Branch Office (Jaipur):
Shyam Tower, Plot No. F2, 6th Floor Amrapali Circle,
Vaishali Nagar, Jaipur, Rajasthan 302021

Mail: info@eduncle.com
All Rights Reserved © Eduncle.com