Question 199294
[ 7^(n+2) -35*7^9n-1)] / [ 44(7^(n+2) ) ] = 1/49
.
[ 1-35*7^-3] / 44 = 1/49
.
[ 1 - 35 / (49*7) ] / 44 = 1/49
.
[ 1-5/49] / 44 = 1/49
.
[49/49 -5/49 ] / 44 = 1/49
.
[ 44 / 49 ] / 44 = 1/49
.
(44/49) * (1/44) = 1/49 = 1/49,,,,,,ok