Question

help with que.no.6 ......

Answer 1

2^30+2^29+2^28 / (2^31+2^30-2^29)
2^28(2²+2+1)/2^29(2²+2-1)
(4+2+1)/2(4+2-1)
7/2×5
7/10
hence prove

Answer 2

here is your answer.... hope it will help you