1.

Derive section formula in three dimensions for internal division . Also find the co-ordinates of the midpoint of the line joining the points P(x_1,y_1,z_1) and Q (x_2,y_2,z_2) ?

Answer»

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ANSWER : Again mid point P(x,y,Z)= `[(1+5)/2+(2+6)/2,(3+7)/2] =[3,4,5]`


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