Page 44 - Math SL HB Sem 1

9 Find the term containing xlo in the expansion of (5 + 2x217 .

(Total 6 marks)

10. Complete the following expanston.

(2+ ttx)a: 16+3)coc+ ..-

(Total 6 marks)

I l. Find th€ term containing xr in the expansion of(2 - lx)8.

(Total6 marks)

17. Consider the expansion of 1.x2 - 2)t.

(a) Write down the number of terms in this expansion.

(b) The first four terms ofthe expansion in descending powers ofx are

,lo- lor8 + 40*6 +lra +...
Find the value ofl.

Clotal6 marks)

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