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Aug
22
answered Induction Proof 3
Aug
22
comment Find the minimum value of $(x+y)$
@SheowBoon, Use en.wikipedia.org/wiki/Second_derivative_test on $$f(x)=x+8+\dfrac1{16x^2}$$
Aug
22
revised Integrating $\frac{1}{(x^4 -1)^2}$
deleted 97 characters in body
Aug
22
answered Integrating $\frac{1}{(x^4 -1)^2}$
Aug
22
answered If $f(x) = \cos x\cos2x\cos4x\cos8x\cos16x$, then $f’(\pi/4)= ?$
Aug
22
answered Find the minimum value of $(x+y)$
Aug
22
comment the locus of $z$ in the complex plane
@Educ, What can you get from $\tan\phi=\tan\psi$?
Aug
22
answered the locus of $z$ in the complex plane
Aug
22
comment Finding the slope of a curve with a given point
Related : math.stackexchange.com/questions/460989/…
Aug
22
answered How could I find the sum of this infinite series by hand?
Aug
22
answered Finding the modulus and argument of a complex number
Aug
22
comment Conversion of $\mathrm m^3$ to $\mathrm{kg}$
Do you know density = mass/volume?
Aug
22
answered Discrete mathematics: How do I solve these three problems?
Aug
22
comment Possible values for these quantities, subject to the conditions?
I thinking of using $x=\cos A,f(x)=\cos B$ but couldn't proceed much
Aug
22
revised Is there a method to calculate large number modulo?
deleted 1 character in body
Aug
22
comment Is there a method to calculate large number modulo?
See math.stackexchange.com/questions/328562/…
Aug
22
answered Is there a method to calculate large number modulo?
Aug
22
comment Transformation of general equation of second degree with respect to a rectangular axes
See en.wikipedia.org/wiki/…
Aug
22
comment Natural Logarithm Question Help
See proofwiki.org/wiki/Laws_of_Logarithms
Aug
22
answered How can I simplify this complex number to get a real number?