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Leponzo
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5 votes
2 answers
187 views

Solution of system of three variables

4 votes
3 answers
982 views

If a continuous function has one relative extremum, then it is actually an absolute extremum

3 votes
1 answer
645 views

Shouldn't All Alternating Series Diverge?

1 vote
2 answers
61 views

Permutations and Combinations Doubt

1 vote
1 answer
4k views

Definition of Point of Inflection

1 vote
1 answer
69 views

Possible Points of Local Extrema

0 votes
2 answers
5k views

Shortest Distance between Two Parallel Lines in 3D

0 votes
1 answer
37 views

IRR for Incremental Investment Doubt

0 votes
0 answers
568 views

Area of Circular Table Cover

0 votes
1 answer
206 views

Gradient and Tangent Plane with Functional Equation

0 votes
1 answer
38 views

$\lambda < 0 \land \left(A^2+B^2\right) \cos \left(2 \sqrt{\lambda } x\right)+2 A B \sinh \left(2 \sqrt{-\lambda } x\right)\leq 0 \implies A = B = 0$