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4.2 Expanding (a + bx)^n

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Question 21

Work out the first three terms in the binomial expansion of $1(2−5x)2\displaystyle \frac{1}{(2-5x)^2}$

[4]

Write down the range of values of $x\,$ for which the 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 21

Work out the first three terms in the binomial expansion of $1(2−5x)2\displaystyle \frac{1}{(2-5x)^2}$

[4]

Write down the range of values of $x\,$ for which the 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.