what is the 243rd triangular number
2x^2 + 7x +3
sum from 0 to k-1 of (t/k*v^(t/k))
what is the 243rd triangle number
find the cubic maclaurins approximation of e^ax sinby
if the sum of the first 8 terms of an ap is136 and that of first 15 terms is 465. find the sum of first 25 terms
[4÷4×2], [8÷4×2], [16÷4×2], ___
The product of the ages of three sisters is 567. If the two sisters are twins and are 2 years older than their
younger sister. Wh...
27^x+x=0
Round-off 2,833,333 to the nearest hundred thousands