Question

Please proove ques. 1

Answer 1

Take 2^28 common from both Numerator & Denominator


solving numerator:
2^28(2^2 + 2+1)= 2^28(4+2+1)= 7 x 2^28

Solving Denominator:
2^28(2^3 + 2^2- 2^1)= 2^28( 8+4-2)= 10 x 2^28


On Dividing 2^28 will cancel out & 7/10 will be left