12+n=5*n
is 2960702158209948789101921 prime
(52+72)\sqrt{(5^2 + 7^2) }(52+72)
(Related to Checkpoint 9.3) (Bond valuation) Pybus, Inc. is considering issuing bonds that will mature in 18 years with an annu...
Solve for x:
x^4-x^2+y^2*pi^2-2*y*pi*arccos(x)+arccos^2(x)=0
a=2x-1,b=2x-2 c=3-4x , a^3+b^3+c^3=?
pi*y=(arccos(x)-x*sqrt(1-x^2))