Question

Answer the question in the pic.

Answer 1

Answer:

Step-by-step explanation:

(2^30+2^29+2^28)/(2^31+2^30-2^29) = 7/10

2^28(2²+2¹+1)/2^28(2³+2²-2¹) = 7/10

(2²+2¹+1)/(2³+2²-2¹) = 7/10

(4+2+1)/(8+4-2) = 7/10

7/12-2 = 7/10

7/10 = 7/10

LHS = RHS

Hence proved.

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