Find X and Y. ( solve using picture)

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241

Through non-collinear points there is exactly one plane.