If the expression `x^2+2(a+b+c)+3(b c+c+a b)` is a perfect square, then `a=b=c` b. `a=+-b=+-c` c. `a=b!=c` d. `non eoft h e s e`

If a(b-c)x^(2)+b(c-a)x+c(a-b) is a perfect square then a,b,c are in

show that (3a+2b-c+d)^(2)-12a(2b-c+d) is a perfect square .

52 Show that a(b-c)x^(2)+b(c-a)xy+c(a-b)y^(2) will be a perfect square if a,b,c are in H.P

Show that If a(b-c)x^(2)+b(c-a)xy+c(a-b)y^(2)=0 is a perfect square,then the quantities a,b,care in harmonic progresion

If a(b-c)x^(2)+b(c-a)xy+c(a-b)y^(2)=0 is a perfect square,then (log(a+c)+log(a-2b+c))/(log(a-c)) is equal to

If a, b, c are real and x^3-3b^2x+2c^3 is divisible by x -a and x - b, then (a) a =-b=-c (c) a = b = c or a =-2b-_ 2c (b) a = 2b = 2c (d) none of these

What will come next in the series ? a b a b c a b c d a b c d e a b c d e f a b c d ? 1) g 2) f 3) e 4) a 5) none of these