" a) "[3n-2=46," b) ",5m+7=17]

If x+2 and x-1 are the factors of x^3+10 x^2+m x+n, then the values of m and n are respectively=? (a) 5 and -3 (b) 17 and -8 (c) 7 and -18 (d) 23 and -19

Find the coordinates of the foot of the perpendicular drawn from point A(1,0,3) to the join of points B(4,7,1)a n d C(3,5,3) . a) (5/3,7/3,17/3) b) (5,7,17) c) (5/7,-7/3,17/3) d) (-5/7,7/3,17/3)

If A=[{:(1,0),(-1,7):}]" and "B=[{:(0,4),(-1,7):}] , find (3A^(2)-2B+I).

17^2 . 17^5 = 17^7

If the d.c's (l,m,n) of two lines are connected by the relations 7l^(2) + 5m^(2) - 3n^(2) = 0 , l - 5m + 3n = 0 then the d.c's of the two lines are

Solve 3/4n+2/5n=46 for n

Add: 5m - 7n, 3n - 4m + 2, 2m - 3mm - 5