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CBSE Notes 2011-2012 » X-Maths-Term1

Pair of Linear Equations in Two Variables

The father's age is six times his son's age. Four years hence, the age of the father will be four ti...

Multiple choice question

The father's age is six times his son's age. Four years hence, the age of the father will be four times his son's age. The present ages, in years, of the son and the father are, respectively

The value of k for which the lines 3x + 4y = 5,5x + 4y = 4 and kx + 4y = 6 meet at a point is

Multiple choice question

The value of k for which the lines 3x + 4y = 5,5x + 4y = 4 and kx + 4y = 6 meet at a point is

The equations ax + by + c = 0 anddx+ey +c = 0 represent the same straight line if

Multiple choice question

The equations ax + by + c = 0 anddx+ey +c = 0 represent the same straight line if

The pair of equations ax + 2y = 7 and 3x + by = 16 represent parallel lines if

Multiple choice question

The pair of equations ax + 2y = 7 and 3x + by = 16 represent parallel lines if

The value of a for which the lines x = 1, y = 2 and ax + 2y - 6 =0 are concurrent is

Multiple choice question

The value of a for which the lines x = 1, y = 2 and ax + 2y - 6 =0 are concurrent is

Equation of line L1: a1x + b1 y + c1 = 0, Equation of line L2 : a2x + b2y + c2 = 0, Equation of line...

Multiple choice question

Equation of line L1: a1x + b1 y + c1 = 0,
Equation of line L2 : a2x + b2y + c2 = 0,
Equation of line
L3 : (a1x + b1y + C1) + (a2x + b2y + c2) = 0
if a1/a2= b1/b2= c1/c2 than line L3 is

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