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Question Number 151401 by Rankut last updated on 20/Aug/21

Commented by Rankut last updated on 20/Aug/21

$$pleaseineedyourhelp$$

Answered by mr W last updated on 03/Sep/21

$$\left(a\right)$$$$C_3^{15}=455$$$$\left(b\right)$$$$C_2^{14}=91$$$$\left(c\right)$$$$C_3^{14}=364$$

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