Subject: Maths, asked on 23/5/18

## 12th q Q.12. Show that the equation $2\left({a}^{2}+{b}^{2}\right){x}^{2}+2\left(a+b\right)x+1=0$ has no real roots.

Subject: Maths, asked on 23/5/18

## 7th q Q.7. Find the condition that one root of the equation $a{x}^{2}+bx+c=0$ may be double of the other.

Subject: Maths, asked on 23/5/18

## 19th question

Subject: Maths, asked on 23/5/18

## Q.18. If the equation may have a common root, then prove that a + b + c or a - b + c = 0.

Subject: Maths, asked on 23/5/18

## I3 th Q.13. $x=\frac{2}{3-\frac{2}{3-\frac{2}{3-\frac{2}{3-\frac{2}{3-x}}}}}$, find the possible values of x in the given equation.

Subject: Maths, asked on 23/5/18

## 6thq Q.6. If the roots of ${x}^{2}-px+q=0$ are two consecutive integers. Prove that ${p}^{2}=4q+1$

Subject: Maths, asked on 23/5/18

## 3rd: 3. Solve for x: (x-1)(x+3)(x-2)(x-6)+36=0

Subject: Maths, asked on 18/5/18

## Pl explain how f(x) is positive when d>0 and a>0

Subject: Maths, asked on 18/5/18

## Pl explain how f(x) is positive when d 0

Subject: Maths, asked on 18/5/18

## Find the solution to these quadratic equation.

Subject: Maths, asked on 17/5/18

## Find the values of k for which the quadratic equation has equal roots (k-12)X2 + 2(k-12)x + 2=0

Subject: Maths, asked on 17/5/18

## Solve this and no links plz Q.7. A passenger trains takes 2 hours less for a journey of 300 km. If its speed is increased by 5 km/h from its usual speed, find the

Subject: Maths, asked on 17/5/18

## Solve this and no links plz Q.6. Solve for x :

Subject: Maths, asked on 17/5/18

## Solve this and no links plz Q.5. Given that $x-\sqrt{5}$ is a factor of polynomial ${x}^{3}-3\sqrt{5}{x}^{2}-5x+15\sqrt{5}$, then find all the zeroes of the polynomial.

Subject: Maths, asked on 17/5/18

## Plz answer this question fast and no links plz

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