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2h
reviewed Approve suggested edit on Tangent to $e^x$
2h
comment Tangent to $e^x$
@user1729, Have not u noticed the uniqueness of comparing the values of gradient of the tangent here? Also up-voting/down-voting is one's choice. I just wanted to know if thr is any mistake existing or not
2h
revised Find all real numbers $x$ for which $\frac{8^x+27^x}{12^x+18^x}=\frac76$
added 246 characters in body
3h
comment Tangent to $e^x$
@downvoter, is there any mistake
3h
comment Tangent to $e^x$
@HaraldHanche-Olsen, Misread it totally
3h
revised Tangent to $e^x$
added 71 characters in body
4h
comment Tangent to $e^x$
@HaraldHanche-Olsen, Rectified ?
4h
comment Tangent to $e^x$
@Diya, Please find the edited version
4h
revised Tangent to $e^x$
edited body
4h
comment Simplifying modulus expressions and an unknown expression? discrete math
@user124627, $$-a=m-a\pmod m$$
4h
answered Tangent to $e^x$
5h
comment Finishing Induction Step
@mike, Agreed :)
5h
answered Finishing Induction Step
7h
comment Tricky geometry proof
@user34304, Related : math.stackexchange.com/questions/194114/… and math.stackexchange.com/questions/545107/…
7h
comment How to solve the congruence $x^{59} \equiv 604 \pmod{2013}$?
See also : math.stackexchange.com/questions/407478/… or math.stackexchange.com/questions/361336/…
8h
answered How to solve the congruence $x^{59} \equiv 604 \pmod{2013}$?
8h
comment Complex number equations
@user148432, How about this
8h
answered Complex number equations
8h
answered Geometric interpretations of an equality.
17h
comment How to derive the closed form of the sum of $kr^k$
en.wikipedia.org/wiki/…