![\"\int^{\infty}_{0}x^{2}\lambda e^{-\lambda x}\:dx=\frac{2}{\lambda^{2}}\"](\"http:\/\/adrianbell.me\/wp-content\/ql-cache\/quicklatex.com-db31279b5441df1e5bb0598adade386d_l3.png\" "\\"Rendered")
<\/p>\nPutting these in a safe place for later. Found these to be a really good revision questions for integration.<\/p>\n
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and<\/p>\n
![\"\int^{x}_{0}4xe^{-2x^{2}}\:dx=1-e^{-2x^{2}}\"](\"http:\/\/adrianbell.me\/wp-content\/ql-cache\/quicklatex.com-ac26d2b4d4b4c704603408b3e847a6ec_l3.png\" "\\"Rendered")
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For context, the first one formed part of a question that required me to find the variance of a random variable, and the second one involved having to find the c.d.f. from a p.d.f.<\/p>\n
(for my own reference, this was Book 1, Activity 5.2, p. 54 and Activity 6.1, p.62)<\/span><\/p>\n","protected":false},"excerpt":{"rendered":" Putting these in a safe place for later. Found these to be a really good revision questions for integration. and For context, the first one formed part of a question that required me to find the variance of a random variable, and the second one involved having to find the c.d.f. from a p.d.f. (for … Continue reading Integration Revision<\/span>