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Why anti Rh antibodies destroy foetal lamphocytes and dot effect mother s lamphocytes? How can i determine crop coefficient of constructed wetland macrophytes? Differentiate(t) = (cos^3 t+ 3cost +7)^9? Multiply matrices A and B of any sizes legally (no size compatibility requirment). What kind of matrix multiplication am I? Let X1 & X2 have joint pmf p(x1, x2)=(x1x2)/36. 0 otherwise Find joint pmf of Y1=X1X2 and Y2=X2?