Maths Olympiad Prep

Library / /11 of 129

, 2012

Algebra Difficulty 3.8 AMC 10/12 Find the answer Slovenia

We multiplied a number whose cube is equal to 2012122012^{12} by the square of 2012112012^{11}. Which number did we get?

Pick one

Solution

The number 201242012^4 was multiplied by (201211)2(2012^{11})^2, hence we got 20124201222=2012262012^4 \cdot 2012^{22} = 2012^{26}.

Want a route through all this instead of an archive? The track puts 2,000 problems in a working order, from AMC 10 level to the IMO shortlist.

Source: MathNet, licensed CC-BY-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.