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A bag contain 10. identical balls of which 4 are black and 6white a random sample of size 4 is drawn without replacement what is the conditional probability that the sample contain exactly two black given that it contain at least 1 white ball.. Please sho...

Given u(x, y) = x^2 + 2y where x (r, t) = r sin(t) and y(r,t) = sin^2(t), determine the value of ∂u / ∂r and ∂u / ∂t using the chain rule. Plz show step

i dont know what to do

sir damon plz help me in my question the probability i dont understand thanks screw down

sir scott please show full work sir plz thanks

still dunno