I got 3 for the indices and then 18 for the one below. (Original post by MTSb2)I got -3 for this first one and 6 for binomial expanstion everybody says its 18. How????????
I got 3 for the indices and then 18 for the one below. (Original post by MTSb2)I got -3 for this first one and 6 for binomial expanstion everybody says its 18. How????????
I did pascals triangle and then saw what was the coefficient for x^2(864x^2) and did pascals for the 2nd bracket and then I did 864/48 because it was 48ax^2 so 864/48=18
I got 3 for the indices and then 18 for the one below. (Original post by MTSb2)I got -3 for this first one and 6 for binomial expanstion everybody says its 18. How????????
the answer yeah it was 18 for the binomial ting but for the indices question the answer was 0,3