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In triangle ABC, we have Angle B =2 Angle C Conside Angle C =y then Angle B =2y AD is the bisector of Angle BAC so, Let Angle BAD= Angle CAD = x let BP be the bisector of Angle ABCP 75 = p 25 3 = 5 p 3 c) Simplify 3 p x4 Method 3 p x4 =3 p x3 x 3 p d) Simplify 4 p 81x8y4 Method 4 p 81x8y4 = 4 81 4 p x8 4 p y4 = 3x2y Digression Technically p x2 = jxjand 4 p x4 = jxjbut we will not worry about that at this time 6PX(x), satisfythe conditions a pX(x) ≥ 0 for each value within its domain b P x pX(x)=1,where the summationextends over all the values within itsdomain 15 Examples of probability mass functions 151 Example 1 Find a formula for the probability distribution of the total number of heads obtained in four tossesof a balanced coin Asgne Pdf Abstract Algebra Elementary Mathematics Ž‡ ƒPƒAƒxƒA •ÇŽ†