a Find the values of i 7 P 3 ii 9 P 4 iii 10 P 8 b Find the values of i 7 C 3 ii 9 C 4 iii 10 C 8 c Show that, for the values of n and r in parts a and b, n C r n P r r ...

a i 7P3 7x6x5 210 ii 9P4 9x8x7x6 3024 iii 1 ...

a. Find the values of i. 7 P 3 ii. 9 P 4 iii. 10 P 8

Question:

a. Find the values of

i. ⁷P₃

ii. ⁹P₄

iii. ¹⁰P₈

b. Find the values of

i. ⁷C³

ii. ⁹C⁴

iii. ¹⁰C₈

c. Show that, for the values of n and r in parts a and b, ⁿC_r = ⁿP_r/r!.

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Cambridge IGCSE And O Level Additional Mathematics

ISBN: 9781510421646

1st Edition

Authors: Val Hanrahan, Jeanette Powell

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Question Posted: Sep 03, 2021 01:50 AM

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a. Find the values of i. 7 P 3 ii. 9 P 4 iii. 10 P 8

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Cambridge IGCSE And O Level Additional Mathematics

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