lab bhattacharjee
Reputation
125,581
1000/1000 score
 Apr5 reviewed Approve Trigonometry (sec x) Mar22 reviewed Approve Tricky Logarithmic Inequality Problem Dec11 reviewed Reject Fermat's Little Theorem - Prim. Root - Find x Sep27 reviewed Edit Trigonometry Difficult Question Sep16 reviewed Approve Logs and indices questions Sep14 reviewed Approve Calculus Limits Problem Dec9 reviewed Approve Factoring question from March $2013$ AMATYC exam Dec8 reviewed Approve Find the domain of the function $f(x)=\dfrac{64+x^2+x}{9x^2+27x+9}$. Nov25 reviewed Approve Evaluate $\lim\limits_{n \to\infty} \left(\frac{n-1} {2n+2}\right)^n$ Nov24 reviewed Approve question about the limit $\lim_{h\to0}\frac{\arcsin(x+h)-\arcsin(x)}{h}$ Nov8 reviewed Approve Prove by induction $n^3 < 3^n$. What is the value of $n_0$? Oct21 reviewed Approve If $x^2+y^2=z^2$ has a solution then $5$ divides $xyz$ Oct1 reviewed Edit The derivative of a trigonometric function. Sep7 reviewed Edit using induction to prove $(n+1)^2 < 2n^2$ Jul20 reviewed Approve Evaluating $\lim\limits_{x \to 0} \frac1{1-\cos (x^2)}\sum\limits_{n=4}^{\infty} n^5x^n$ Jul11 reviewed Approve Integral of $\frac{2}{(x^2+2x+5)^{1/2}}$ Jul11 reviewed Approve How to solve these two trigonometric equations? Jul8 reviewed Approve Why is $\sin^2x + \cos^2x = 1$ important? Jul7 reviewed Approve Express $[\cos(x) + \sqrt3 \sin(x)]$ in the form $[r\cos(x-a)]$ Jun13 reviewed Approve Dividing $2012!$ by $2013^n$