Finite binomial expansions and signs: check 1
Difficulty: ★★☆Maths4U Original · Short practice
Find the coefficient of \(x^2\) in \((1+2x)^4\).Enter one number or fraction. Round decimals to at least six decimal places when needed.
Finite binomial expansions and signs: check 2
Difficulty: ★★☆Maths4U Original · Short practice
Find the coefficient of \(x\) in \((3-x)^3\).Enter one number or fraction. Round decimals to at least six decimal places when needed.
Finite binomial expansions and signs: check 3
Difficulty: ★★☆Maths4U Original · Short practice
Find the constant term in \((2+x)^5\).Enter one number or fraction. Round decimals to at least six decimal places when needed.
Finite binomial expansions and signs: check 4
Difficulty: ★★☆Maths4U Original · Short practice
How many nonzero terms occur in the fully expanded \((1+x)^6\)?Choose one answer.
Finite binomial expansions and signs: review variant 1
Difficulty: ★★☆Maths4U Original · Short practice
Find the coefficient of \(x^2\) in \((1+3x)^4\).Enter one number or fraction. Round decimals to at least six decimal places when needed.
Finite binomial expansions and signs: review variant 2
Difficulty: ★★☆Maths4U Original · Short practice
Find the coefficient of x in \((2-x)^4\).Enter one number or fraction. Round decimals to at least six decimal places when needed.
Finite binomial expansions and signs: review variant 3
Difficulty: ★★☆Maths4U Original · Short practice
Find the constant term in \((3+x)^4\).Enter one number or fraction. Round decimals to at least six decimal places when needed.
Finite binomial expansions and signs: review variant 4
Difficulty: ★★☆Maths4U Original · Short practice
How many nonzero terms occur in the expansion of \((1+x)^8\)?Enter one number or fraction. Round decimals to at least six decimal places when needed.