Q. 4 D4.1( 31 Votes )
Let us express the equation (x+2)3 = x (x2 - 1) in the form of ax2 + bx + c = 0 (a ≠ 0) and write the co-efficient of x2, x and x°.
Answer :
The given equation is 
So, the equation is of the form 
Here, a = 6, b = 13 and c = 8
Coefficient of x2 = 6
Coefficient of x = 13
Coefficient of x0 = 8
Rate this question :
Linear Equation in one Variable47 mins
Bonus Questions on Solutions of Quadratic Equations31 mins
Get To Know About Quadratic Formula42 mins
Smart Revision | Quadratic Equations53 mins
Quiz | Knowing the Nature of Roots44 mins
Foundation | Practice Important Questions for Foundation54 mins
Take a Dip Into Quadratic graphs32 mins
Learn to Find Nature of Roots25 mins
Smart Revision | Learn to Find the Nature of Roots34 mins
Nature of Roots of Quadratic Equations51 mins
In each of the following cases, let us justify & write whether the given values are the of the given quadratic equation:
and 4/3
If 
let us calculate the simplified value of
If we subtract 
from 
the value is
Let us write a rationalizing factor of the denominator of 
which is not its conjugate surd.
The highest power of the variable in a quadratic equation is
West Bengal Board - MathematicsLet us rationalizing the denominators of the following surds.
Let us write two mixed quadratic surds of which product is a rational number.
West Bengal Board - MathematicsIf 
let us calculate simplified value of
Let us calculate and write the value of k for which –a will be a root the quadratic equation x2 + 3ax + k = 0.
West Bengal Board - MathematicsLet us rationalizing the denominators of the following surds.
