Question

Use pascals triangle to find the coefficient of the third term in the expansion of (a + b)2

Answer 1

2. ( a + b )

Explanation:

The (a + b)2 formula is the algebraic identity used to find the square of the sum of two numbers. To find the formula of the binomial in the form (a + b)2, we will just multiply (a + b) (a + b).