State and Prove D'Alembert's Ratio Test for Series
solution set of $x^{2}+X=110$
$7^{x}$ = $8^{x}$
show me the whole calculation
On reversing the digits of a two digit number, the number obtained is 9 less than three times the original number. If the differen...
if tanh x =2/3, find the real value of x
principal normal vector of r(t)=-3
2x + 3y = 21
x - y = 3
find x and y
(-3)+ $\sqrt{3^2-4(1)(-10)/2}$
x= -2+- $\sqrt{\}$2^2-4(1)(-15)/2(1)
