The equation x + 1/x = 3 (x ≠ 0) is expressed as a quadratic equation in the form of ax² + bx + c = 0. The value of a – b + c is :
Which of the following equations is a quadratic equation ?
The sum of areas of two squares is 2650 cm². If the sum of their perimeters is 280 cm, find the sides of the two given squares.
Express the equation 1/x – 1/(x – 2) = 3, (x ≠ 0, 2) as a quadratic equation in standard form. Hence, find the roots of the quadratic equation so obtained.
The sum of the squares of two consecutive odd numbers is 514. Find the numbers.
Find length and breadth of a rectangular park whose perimeter is 100 m and area is 600 m².
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