The sum of the intercepts made by the plane `a x+b y+c z=d` on the three axes of reference is (A)`a+b+c` (B) `1/a+1/b+1/c` (C) `d(1/a+1/b+1/c)` (D) none of these

If a=bc and c=a-b, then the value of a is b^(2)-1( b )(b^(2))/(b-1) (c) (b)/(b-1) (d) None of these

If a and b are the intercepts made by the straight line on the coordinate axes such that (1)/(a)+(1)/(b)=(1)/(c) then the line passes through point (A) (1,1) (B) (c,c) (C) ((1)/(c),(1)/(c))

A plane makes intercepts O A ,O Ba n dO C whose measurements are a,b and c on the O X ,O Ya n dO Z axes. The area of triangle A B C is a. 1/2(a b+b c+c a) b. 1/2a b c(a+b+c) c. 1/2(a^2b^2+b^2c^2+c^2a^2)^(1//2) d. 1/2(a+b+c)^2

A plane meets the coordinate axes at A ,\ B ,\ C such that the centroid of "Delta A B C is the point (a ,\ b ,\ c) . If the equation of the plane is x/a+y/b+z/c=k ,\ t h e n\ k= 1 b. 2 c. 3 d. none of these

If a,b,c, are in G.P. , a.x.b in A.P. and b,y,c in A.P., then : (a)/(x)+( c )/(y) = (A) 1/2 (B) 1 (C) 2 (D) none of these

If (x+iy)^(1/3)=a+ib, then (x)/(a)=(y)/(b)=0b1c.-1d .none of these

If a,b,andc are in G.P.and x,y, respectively,are the arithmetic means between a,b, and b,c ,then the value of (a)/(x)+(c)/(y) is 1 b.2 c.1/2 d.none of these