Anirban Niloy

Member for 4 years, 8 months
Last seen more than a month ago

Faridpur, Bangladesh

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geometry

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Questions

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Score Activity Newest Views

6

Prove that $0!+1! + 2! + 3! + ..... + n!$ $\neq$ $p^\text{r}$, where $n \geqslant 3$ and $n$, $p$ and $r$ are three integers

Feb 19, 2019

5

Prove that inequality $\sqrt{2\sqrt{4\sqrt{8....\sqrt{2^n}}}} \leqslant n+1$

Feb 17, 2019

4

In a right angled $\triangle ABC$, $DE$ and $DF$ are perpendicular to $AB$ and $BC$ respectively. What is the probability of $DE\cdot DF>3$?

Feb 4, 2019

4

Point $X$ is on the circumference of the circle $PQR$ and $PY$ is a perpendicular on $XR$. Finding the value of $QX + XR$

Feb 11, 2019

3

In $\triangle ABC$, $AD$ $\perp$ $BC$ and $GE$ is the extended line of $DG$ where $G$ is centroid. Prove that $GD$ = $\frac{EG}{2}$

Feb 15, 2019

Answers

Score Activity Newest

5

Finding lengths when circles and squares tangents.

Feb 28, 2019

3

Area of a quatrefoil inside a circle

Mar 5, 2019

1

Finding the area of inner triangle constructed by three cevian lines of a large triangle

Mar 6, 2019

1

Finding the distance from the flat surface to the point of tangency between two circles with having radii $2$ and $10$ respectively

Feb 26, 2019

0

An equilateral triangle is drawn in a circle with one of its vertices on the diameter. What is $x$ in the figure?

Mar 25, 2019

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geometry

10

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circles

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6

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tangent-line

5

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3

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area

4

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4

posts

polygons

3

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2

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