exam Maths Puzzle Numerical Ability

Show that the numbers is rational by writing it as a quotient of two intergers.

2. 3

Any help with this equation would be GREATLY</b> appreciated.

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exam Other Question

Please help me factor the polynomial 49+112y+64y^2 Use a calculator to approximate x to 3 deciaml places
Ln x=.988 I have 2.686=x
Log x =3.1 I have x=.491
Could you please tell me if this is right?
Also Use : A=P(1+r/n)^nt or