Sunday

November 29, 2015
Total # Posts: 15

**math**

If a,b,c are integers and b²=4(ac+5d²), d €N then roots of the eqn ax²+bx+c=0 are
*July 5, 2014*

**math**

Let a,b and c be real numbers such that 4a+2b+c =0 and ab>0. Then the eqn ax²+bx²+cx²=0 has-
*July 5, 2014*

**math**

Consider the eqn x²+2x-n =0 where n€N and n€[5,100]. Total no. Of different values of 'n' so that the given eqn has integral roots is-
*July 5, 2014*

**math**

If the roots of the eqn x²-2cx+ab=0 are real and unequal, then prove that the roots of x²-2(a+b)x+a²+b²+2c²=0 will be imaginary.
*July 5, 2014*

**maths**

For what values of k the expression kx²+(k+1)x+2 will be a perfect square of a linear polynomial.
*July 5, 2014*

**math**

Show that if roots of eqn (a²-bc) x²+2(b²-ac)x +c²-ab=0 are equal then either b=0 or a³+b³+c³=3abc.
*July 5, 2014*

**maths**

If a,b and c € R, then prove that the roots of the eqn 1/(x-a) + 1/(x-b) + 1/(x-c) =0 are always real and cannot have roots if a=b=c.
*July 5, 2014*

**maths**

If the roots of the eqn 1/(x+p) + 1/(x+p) = 1/r are equal in magnitude but opposite in sign, show that p+r=2r and that the product of the roots is equal to (-1/2) (p²+q²)
*July 5, 2014*

**maths**

If 2+i√3 is a root of the eqn x²+px+q=0, where p,q belongs to R, then find the ordered pair (p,q)
*July 5, 2014*

**math**

46*3=300
*September 8, 2011*

**chemistry**

can you tell me how can i make a chemistry working model for class 9
*June 6, 2011*

**social studies**

article on "role of media to check corruption"
*June 5, 2009*

**math**

What is the temperature when water freezes? I have one more question What is the temperature when it steams?
*December 15, 2008*

**literature**

the role self-respect (in this context it means respect for one's own physical safety) play in an individual's response to injustice.
*October 26, 2008*

**ANYBODY HERE?????????????????????????????????**

PLEASE ANSWER MY QUESTION! THANK YOU! WHAT IS A PLOT? A plot (in mathematics and engineering) is a graph. It geography, it is a piece of land. In a cemetery, it is a grave site. It can also be a covert plan of action or conspiracy. In English a "plot" can be the form...
*December 23, 2006*

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