exam Maths Puzzle Numerical Ability

log(little a) then regular a =1 this was kinda hard to type out the problem but can someone please help me out??

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exam Other Question

If I could get some help with this problem I would appreciate it.

Factor each of the following trinomials completely.

2a^3 - 52a^2b + 96ab^2

I keep coming up with something strange I know it is not correct. Help please?
solve by graphing; estimate the coordinates of the intersection point to the nearest half unit.
x+y=-2; 2x-y=10