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Posts by tanu

Total # Posts: 19

math
Thewhat is the difference between the mean and median of the first four prime numbers that are more than 4? The mean=9 and the median =11.so the ans should be -2.but in the answer sheet the ans is 0..how?

math
Mean=9 Median=11 Is it right? Then the difference between them is -2. But here in the answer sheet the ans is 0!!im really confused

math
What is the difference between the mean and median of the first four prime numbers that are more than 4?

physics
4kqq/r^2

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

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-

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-

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.

maths
For what values of k the expression kx²+(k+1)x+2 will be a perfect square of a linear polynomial.

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.

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.

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)

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)

math
46*3=300

chemistry
can you tell me how can i make a chemistry working model for class 9

social studies
article on "role of media to check corruption"

math
What is the temperature when water freezes? I have one more question What is the temperature when it steams?

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.

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...

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