1. How many terms are in the binomial expansion of (x + yr? (1 mark for the correct number of terms) 2. a) What is the value of n for the rov.r of Pascal's Triangle that is: l 4 6 4 1? (1 mark for the correct value of n) b) What is the next row after 1 4 6 4 1 in Pascal's Triangle? (1 mark for the correct next row) 3. Find the 6'" term in the binomial expansion of (x2 + f)\". (3 marks: 1 mark for the correct combination, 1 mark for both consistent factors, one mark for evaluating combinations and exponents)