Q4Short answer
The coefficients in the expansion follow a certain pattern known as pascal’s triangle. Index of Binomial Coefficient of various terms 0 1 1 1 1 2 1 2 1 3 1 3 3 1 4 1 4 6 4 1
The coefficients in the expansion follow a certain pattern known as pascal’s triangle. Index of Binomial Coefficient of various terms 0 1 1 1 1 2 1 2 1 3 1 3 3 1 4 1 4 6 4 1