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location India
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2d
comment Teacher Challenge - multiple parts
$r+\alpha$ is fancy way of saying $n$ where $n \in \mathbb{R}$
2d
reviewed No Action Needed Vertex Equation of an inverse quadratic function.
Dec
11
comment Finding an interval containing the values of $ abc(a + b + c) $, given a quadratic constraint
Expand: $(ab + bc + ca)^2$
Dec
11
revised Finding an interval containing the values of $ abc(a + b + c) $, given a quadratic constraint
added 28 characters in body; edited title
Dec
10
answered Prove $x + \frac{1}{x} \geq 2$ for $x>0$.
Dec
10
revised Bob is 16. Grandma is 100. When will bob be half her age assuming both never die?
rolled back to a previous revision
Dec
9
revised What is the correct $\det(A^{-1})$
deleted 7 characters in body; edited title
Dec
9
reviewed Edit Linear Transformation of Complex Numbers
Dec
9
revised Linear Transformation of Complex Numbers
Improved formatting.
Dec
8
comment Proof for consecutive integers
Assume $n=3$; $n^3 = 27$ whereas $ \sum_1^3 x = 6 $.
Dec
8
revised congruence, please hepl me solve this
added 11 characters in body
Dec
8
revised Proof for consecutive integers
added 6 characters in body; edited title
Dec
8
awarded  Cleanup
Dec
8
revised frequency domain of a delta function
rolled back to a previous revision
Dec
8
reviewed Looks OK frequency domain of a delta function
Dec
8
reviewed Reviewed endomorphism of finite groups
Dec
8
reviewed Reviewed Is this sequence a recurrence relation?
Dec
8
awarded  Caucus
Dec
8
revised Volume of two square pyramids put together
deleted 8 characters in body
Dec
2
answered What am I doing wrong? (Trigonometric Identity)