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## Directional Derivative : IIT JAM 2018 Problem 42

Please give a warm-up quiz Understand the problem Let for Then the absolute value of the directional derivative of in the direction of the line  , at the point is _____ Source of the problem IIT JAM 2018 Topic Directional Derivative  Difficulty Level Easy Suggested...

## Supremum and Infimum: IIT JAM 2018 Problem 11

Warm Yourself With An MCQ  Understand the problem     Which of the following is true? (a) sup {(a_n|n in mathbb{N})}=3 and inf {(a_n|n in mathbb{N})}=1 (b) lim inf ((a_n))=lim sup ((a_n))=(frac{3}{2}) (c) sup {(a_n|n in mathbb{N})}=2 and inf {(a_n|n in...

## Sequences & Subsequences : IIT 2018 Problem 10

What are we learning? Sequences & Subsequences are the key features in the filed of real analysis. We will see how to imply these concepts in our problem Try to answer this question Understand the problem Let (s_n)...

## Cyclic Groups & Subgroups : IIT 2018 Problem 1

Warm yourself with an MCQ What We Are Learning? Groups are the main concept in abstract algebra here we will see about some application of subgroups and cyclic groups  Understand the problem Which one of the following is TRUE? (A) (Bbb Z_n) is cyclic if and only if...

## Acute angles between surfaces: IIT JAM 2018 Qn 6

Warm yourself up with an MCQ Understand the problem In the cosine of acute angle between the surfaces and at the point is  Source of the problem IIT JAM 2018 Qn no 6 Topic Multivable calculus Difficulty Level Easy Suggested Book Calculus: Multi-Variable Calculus and...