X y x zy - 28 x. Youll need to find the correct solution without any help from answer choices. Next observe that the digital sums of powers of 2 are cyclic.
You could take Math 21 which is taught by graduate students and where homework usually takes a reasonable three to six hours per week.
The hardest question is as follows. Eip 1 0 This looks too easy if we use the eulers theorm but things change when we dont. Test Several Mathematical Concepts at Once Here we must deal with imaginary numbers and fractions all at once. Well in my opinion the toughest sum is this.