`int 7^(7^(7^(x))). 7^(7^(x)).7^(x)dx` equals :

int7^(7^(pi))*7^(7^(7))*7^(x)dx

int7^(7^(x))*7^(7^(x))*7^(x)backslash dx=

int x^(-7)dx

int x^(-7)dx

int x^(-7)dx

int x^(-7)dx

int7e^(7x+5)dx =

int(x+1)(x+2)^(7)(x+3)dx is equal to

If A=[{:(a,0,0),(0,b,0),(0,0,c):}], a=7^(x), b=7^(7^(x)), c=7^(7^(7^(x))), " then " intabs(A)dx, " where " abs(A) is the determinant of the matrix A, equals

int x^(-7)(1+x^(4))^(-1/2)dx" is equal to "