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# Class 10 Math Quadratic Equations

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$Q.42 If the sum of the roots of the equation a x^{2}-2 x+2 a=0 is equal to their product then the value of a is :(a) 1(b) 2(c) 3(d) 4$

Q.13 Roots of ratic equation 2 x^{2}+3 x+1=0 are :(a) \frac{1}{2}-1 (b) -\frac{1}{2} 1 (c) -\frac{1}{2}-1 (d) 1-1 Faisalabad Board 2013

$Q.13 Roots of ratic equation 2 x^{2}+3 x+1=0 are :(a) \frac{1}{2}-1 (b) -\frac{1}{2} 1 (c) -\frac{1}{2}-1 (d) 1-1 Faisalabad Board 2013$

1. Without solving find the sum and the product of the roots of the following ratic equations.(ii) 3 x^{2}+7 x-11=0

$1. Without solving find the sum and the product of the roots of the following ratic equations.(ii) 3 x^{2}+7 x-11=0$

2. Write short answers of the following questions.(viii) Define reciprocal equation.

$2. Write short answers of the following questions.(viii) Define reciprocal equation.$

Solve the following equations.9. \frac{x-a}{x+a}-\frac{x+a}{x-a}=\frac{7}{12}

$Solve the following equations.9. \frac{x-a}{x+a}-\frac{x+a}{x-a}=\frac{7}{12}$

2 . Evaluate(i) \left(1-\omega-\omega^{2}\right)^{7}

$2 . Evaluate(i) \left(1-\omega-\omega^{2}\right)^{7}$

Solve the following equations.2. \sqrt{x+3}=3 x-1

$Solve the following equations.2. \sqrt{x+3}=3 x-1$