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Answers posted by thanvigandhi_1

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answered Jul 15, 2014
Toolbox:Equation of the parabola along y - axis and opening upwards is $x^2=4ay$Equation of the para...
0 votes
answered Jul 15, 2014
Toolbox:Equation of a parabola along the x - axis and opening rightward is $ y^2=4ax$Equation of a p...
0 votes
answered Jul 14, 2014
Toolbox:If the coordinates of the focus is (-a, 0)The equation of the parabola is $y^2=-4ax $ and th...
0 votes
answered Jul 14, 2014
Toolbox:If the coordinates of focis is (a, 0) then the parabola is open rightward.The equaton of the...
0 votes
answered Jul 14, 2014
Toolbox:If the coordinates of the focus is (0, -a) then the parabola is open downwards. The equation...
0 votes
answered Jul 14, 2014
Toolbox:If the coordinates of focis is (a, 0) then the parabola is open rightward.The equaton of the...
0 votes
answered Jul 14, 2014
Toolbox:Equation of the parabola $x^2=-4ay$Since the coefficient of y is negative the curve is open ...
0 votes
answered Jul 14, 2014
Toolbox:Equation of a parabola is $y^2=4ax$If x is positive , then the parabola opens towards the ri...
0 votes
answered Jul 14, 2014
Toolbox:Equation of the parabola $x^2=-4ay$Since the coefficient of y is negative the curve is open ...
0 votes
answered Jul 14, 2014
Toolbox:Equation of the parabola is $y^2=-4ax$Since the coefficient of x is negative. Hence the para...
0 votes
answered Jul 14, 2014
Toolbox:Equation of the parabola $x^2=4ay$If the coefficient of y is positive, the parabola opens up...
0 votes
answered Jul 14, 2014
Toolbox:Equation of a parabola is $y^2=4ax$If x is positive , then the parabola opens towards the ri...
0 votes
answered Jul 14, 2014
Toolbox:If the distance between the point through which the circle passes say $(x_1, y_1)$ is less t...
0 votes
answered Jul 13, 2014
Toolbox:Equation of a circle with centre (h,k) and radius r is given as $ (x-h)^2+(y-k)^2=r^2$Distan...
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answered Jul 13, 2014
Toolbox:Equation of a circle with centre (h,k) and radius r is given as $ (x-h)^2+(y-k)^2=r^2$Step 1...
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answered Jul 13, 2014
Toolbox:Equation of a circle with centre (h,k) and radius r is given as $ (x-h)^2+(y-k)^2=r^2$Step 1...
0 votes
answered Jul 13, 2014
Toolbox:Equation of a circle with centre (h,k) and radius r is given as $ (x-h)^2+(y-k)^2=r^2$Step 1...
0 votes
answered Jul 13, 2014
Toolbox:Equation of a circle with centre (h,k) and radius r is given as $ (x-h)^2+(y-k)^2=r^2$Step 1...
0 votes
answered Jul 13, 2014
Toolbox:Equation of a circle with centre (h,k) and radius r is given as $ (x-h)^2+(y-k)^2=r^2$The eq...
0 votes
answered Jul 13, 2014
Toolbox:Equation of a circle with centre (h,k) and radius r is given as $ (x-h)^2+(y-k)^2=r^2$Equati...
0 votes
answered Jul 11, 2014
Toolbox:Equation of a circle with centre (h, k) and radius r is given as : $(x-h)^2+(y-k)^2=r^2$Equa...
0 votes
answered Jul 11, 2014
Toolbox:Equation of a circle with centre (h, k) and radius r is given as : $(x-h)^2+(y-k)^2=r^2$The ...
0 votes
answered Jul 11, 2014
Toolbox:Equation of a circle with centre (h, k) and radius r is given as : $(x-h)^2+(y-k)^2=r^2$The ...
0 votes
answered Jul 11, 2014
Toolbox:Equation of a circle with centre (h, k) and radius r is given as : $(x-h)^2+(y-k)^2=r^2$The ...
0 votes
answered Jul 11, 2014
Toolbox:Equation of a circle with centre (h, k) and radius r is given as : $(x-h)^2+(y-k)^2=r^2$The ...
0 votes
answered Jul 11, 2014
Toolbox:Equation of a circle with centre (h, k) and radius r is given as : $(x-h)^2+(y-k)^2=r^2$The ...
0 votes
answered Jul 11, 2014
Toolbox:Equation of a circle with centre (h, k) and radius r is given as $ (x-h)^2+(y-k)^2=r^2$Given...
0 votes
answered Jul 11, 2014
Toolbox:Equation of a line parallel to x axis is y = constant.Equation of a line parallel to y axis ...
0 votes
answered Jul 9, 2014
Toolbox:Section formula : $\large\frac{mx_2+mx_1}{m+n}$$, \large\frac{my_2+ny_1}{m+n}$Mid point form...
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answered Jul 9, 2014
Toolbox:Slope of a line joining the points $(x_1, y_1)$ and $(x_2, y_2)$ is $ \bigg( \large\frac{y_2...
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answered Jul 9, 2014
Toolbox:If three lines $ a_1x+b_1y+c_1=0 ; a_2x+b_2y+c_2 = 0 ; a_3x+b_3y+c_3 = 0$ are coplanar then ...
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answered Jul 8, 2014
Toolbox:Area of a triangle is given by $ \Delta = \large\frac{1}{2} | x_1 (y_2-y_3)+x_2(y_3-y_1)+x_3...
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answered Jul 8, 2014
Toolbox:The position of the points can be obtained by plotting the points on the graph.https://clay6...
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answered Jul 8, 2014
Toolbox:Slope of an angle is $m = \tan \theta $Angle between two straight lines whose slopes are $m_...
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answered Jul 8, 2014
Toolbox:Equation of a line in its intercept form is $\large\frac{x}{a}$$ + \large\frac{y}{b}$$=1$ wh...
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answered Jul 6, 2014
Toolbox:If a,b and c are in A.P then $ \large\frac{a+c}{2}$$=b \quad \Rightarrow a-2b=-c \quad $ (i....
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answered Jul 6, 2014
Toolbox:The distance between parallel line is $ d = \bigg| \large\frac{c_1-c_2}{\sqrt{a^2+b^2}} \big...
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answered Jul 6, 2014
Toolbox:Slope of a line which is perpendicular to a line having slope 'm' is $ - \large\frac{1}{m}$....
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answered Jul 6, 2014
Toolbox:Distance of a line $ax+by+c=0$ from a point $(x_1,y_1)$ is $ d = \bigg| \large\frac{ax_1+by_...
0 votes
answered Jul 6, 2014
Toolbox:To specify a straight line we need at least 2 geometrical parameters.Step 1 :We need to know...
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