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4.2 Expanding (a + bx)^n

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Question 10

Find the binomial expansion of $(125+75x)13\displaystyle (125 + 75x)^{\frac{1}{3}}$ in ascending powers of $x$ , up to and including the term in $x^3$ .

[4]

Find the range of values of $x\,$ for which this expansion is valid.

[1]

Markscheme

4.2 Expanding (a + bx)^n Questions

A Level
Maths
4.2 Expanding (a + bx)^n

99 exam-style questions on Edexcel A Level Maths 4.2 Expanding (a + bx)^n. Each one has a worked solution and a mark scheme showing where the marks go.

4.2 Expanding (a + bx)^n

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4.2 Expanding (a + bx)^n

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Question 10

Find the binomial expansion of $(125+75x)13\displaystyle (125 + 75x)^{\frac{1}{3}}$ in ascending powers of $x$ , up to and including the term in $x^3$ .

[4]

Find the range of values of $x\,$ for which this expansion is valid.

[1]

Markscheme

4.2 Expanding (a + bx)^n Questions

A Level
Maths
4.2 Expanding (a + bx)^n

99 exam-style questions on Edexcel A Level Maths 4.2 Expanding (a + bx)^n. Each one has a worked solution and a mark scheme showing where the marks go.