Mathematics, 25.07.2019 21:20 ninaaforever
1.if origin is centroid of a( 2a,14,6 ) b ( 8,3b , -10) c ( -4,2,2c ) then values of a and c are a. 2 and -2 b. -2 and 2 c. ½ and -1/2 d. 2 and -1/2
2. if the extremities of the diagonal of a square are ( 1,-2,3) and ( 2, -3 , 5 ), then the length of the side is :
a. √6
b. √3
c. √5
d. √7
Answers: 1
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1.if origin is centroid of a( 2a,14,6 ) b ( 8,3b , -10) c ( -4,2,2c ) then values of a and c are a....
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