ICSE /Class 9
Maths MCQ Based On Quadretic equation in one variable
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ICSE Class 9 Maths Quadretic equation in one variable
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solve quadratic equation
solve a quadratic equation
To factor a quadratic of the form \\(x^2+bx+c\\), write it as
\\((x+r1)(x+r2) \\)
where \\(c=r_{1}.r_{2}\\) and \\(b=r_{1}+r_{2}\\).
or use quadratic formula
\\(x = {-b \\pm \\sqrt{b^2-4ac} \\over 2a}\\)
use the formula of sum of odd natural numbers
make a quadratic equation from the following information
For upstream we subtrac from speed and for down stream we add to speed
Think about area of rectangle and calculate area of each face.
make a quadratic equation and solve
Think about area of rectangle and calculate area of each face.
find the factor of 40
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