Binomial Theorem
Q: Find the coefficient of \(x^2\) in \((x + 1)^4\).
Did You Know?
Step 1: Use trapezium formula: \(A = \frac{1}{2}(a+b)h\), where a and b are parallel sides. Step 2: Substitute: A = 1/2(8+5)×4 = 1/2(13)×4 = 26 cm². Example: a = 6, b = 10, h = 5 → A = 1/2(6+10)×5 = 40 cm².
Social Sharing!
Share your knowledge:
Zambia