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3 green balls, 4 blue balls are in a bag. A ball is removed and then replaced 10 times. What is the probability that exactly 3 green balls will be removed?

(Binomial)P(G=3) : (₁₀C₃)(3/7)³(4/7)⁷

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What is 'Chain Rule' and why is it useful?

Use integration by parts to find the value of the indefinite integral (1/x^3)lnx ; integration with respect to dx

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