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Newbie

## Find the roots of the following quadratic equations (if they exist) by the method of completing the square. 3. 3×2 + 11x + 10 = 0

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Explain, how did we split the number in the equation. How to prove? Class 10th, Statistics, Rd sharma, Mathematics.

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Newbie

## Find the roots of the following quadratic equations (if they exist) by the method of completing the square. 1. x2 – 4√2 x + 6 = 0

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Explain, how did we split the number in the equation. How to prove? Class 10th, Statistics, Rd sharma, Mathematics.

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Newbie

## Solve the following quadratic equation by factorisation: 1. (x – 4)(x + 2) = 0

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Explain, how did we split the number in the equation. How to factorise? Class 10th, Statistics, Rd sharma, Mathematics.

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Newbie

## 3. A cottage industry produces a certain number of toys in a day. The cost of production of each toy (in rupees) was found to be 55 minus the number of articles produced in a day. On a particular day, the total cost of production was Rs. 750. If x denotes the number of toys produced that day, form the quadratic equation to find x.

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Explain, how did we split the number in the equation. How to prove? Class 10th, Statistics, Rd sharma, Mathematics.

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Newbie

## Find the value of m so that the quadratic equation mx (x – 7) + 49 = 0 has two equal roots.

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Quadratic equation class 10, find the value of discriminant, and the value of D is 0 if roots are equal. ...Read more

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Newbie

## If the quadratic equation px² -2√5 px + 15 = 0 has two equal roots, then find the value of p.

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Quadratic equations class 10, to find the value of p for this equation px² –2√5 px + 15 = 0 you have to put ...Read more

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Newbie

## Find a quadratic polynomial, the sum and product of whose zeroes are √3 and 1/√3 respectively.

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polynomials class 10 CBSE, sum and product of the quadratic equations are given how we are going to find the ...Read more

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Newbie

## Form a quadratic polynomial whose zeroes are 3 + √2 and 3 – √2.

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POLYNOMIALS class 10, it is given the factors and you have to find the equation, so how we are going ...Read more

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Newbie

## A two digit number is such that the product of the digits is 12. When 36 is added to the number, the digits interchange their places. Find the number.

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find a two digit number, quadratic equations word problem.