Evaluate the Cauchy principal value of the improper integral I = integral 0 to ∞ x sin x/ x^4 + 1 dx
130,133,135,140,140,140,145,172,185,196,203,212,218,225
find interquartile range
subtract 9 from 23 using 10's complement
(3x+2)^3/2=4
The value of the sum 7 x 11 + 11 x 15 + 15 x 19 + ...+ 95 x 99 is
g(x)=(x,x^2)
(x ^ 2 * y ^ 2 + xy + 1) * y * dx +(x^ 2 y^ 2 -xy+1)xdy=0
f(c)=x^2+bx +3 ,find value of b
[y/((x + y) ^ 2) - 1] * dx + [1 - x/((x + y) ^ 2)] * dy = 0