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Find the roots of the following quadratic equations, if they exist, by the method of completing the square : 2x^2 + x + 4 = 0 by the method of completing the square : 2x^2 + x + 4 = 0 Find the roots of the following quadratic equations if they exist October 4, 2020 [...]

Two identical plates of different metals are joined to form a single plate whose thickness is double the thickness of each plate. If the coefficients of conductivity of each plate are 2 and 3 respectively, then the conductivity of the composite plate will be the temperature at the common wall will be thermal conductivities K [...]

Find the roots of the following quadratic equations, if they exist, by the method of completing the square : 4x^2 + 4 root 3​x + 3 = 0 by the method of completing the square : 4x^2 + 4 root 3​x + 3 = 0 Find the roots of the following quadratic equations if they [...]

Find the roots of the following quadratic equations, if they exist, by the method of completing the square : 2x^2 + x − 4 = 0 by the method of completing the square : 2x^2 + x − 4 = 0 Find the roots of the following quadratic equations if they exist October 4, 2020 [...]

The ratio of the diameters of two metallic rods of the same material is 2:1 and their lengths are in the ratio 1:4. If the temperature difference between their ends are equal, the rate of flow of heat in them will be in the ratio the rate of flow of heat in them will be [...]

Find the roots of the following quadratic equations, if they exist, by the method of completing the square : 2x^2−7x+3=0 by the method of completing the square : 2x^2−7x+3=0 Find the roots of the following quadratic equations if they exist October 4, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 [...]

A cottage industry produces a certain number of pottery articles in a day. It was observed on a particular day that the cost of production of each article (in rupees) was 3 more than twice the number of articles produced on that day. If the total cost of production on that day was Rs 90, [...]

The altitude of a right triangle is 7 cm less than its base. If the hypotenuse is 13 cm, find the other two sides find the other two sides The altitude of a right triangle is 7 cm less than its base. If the hypotenuse is 13 cm October 4, 2020 Category: Chapter 4 - [...]

Find two consecutive positive integers, sum of whose squares is 365. Find two consecutive positive integers sum of whose squares is 365. October 4, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 ,

Find two numbers whose sum is 27 and product is 182 Find two numbers whose sum is 27 and product is 182 October 4, 2020 Category: Chapter 4 - Quadratic Equations , Maths , NCERT Class 10 ,