Find the quadratic equations whose roots are the reciprocals of the roots of 2x^2 + 5x + 3 = 0?
Answer: 3x^2 + 5x + 2 = 0
Explanation
The quadratic equation whose roots are reciprocal of:
2x2 + 5x + 3 = 0 can be obtained by replacing x by 1/x.
Hence, 2(1/x)2 + 5(1/x) + 3 = 0
=> 3x^2 + 5x + 2 = 0
This question appeared in
Past Papers (6 times)
FDE EST Past Papers and Syllbus (1 times)
Junior Clerk Past Papers (1 times)
PPSC 5 Years Past Papers Subject Wise (Solved with Details) (2 times)
PPSC Junior Clerk Past Papers and Syllabus (1 times)
PPSC Past Papers (1 times)
This question appeared in
Subjects (2 times)
MATHS MCQS (2 times)
Related MCQs
- Find the quadratic equation whose roots are 3 and -5?
- Find the roots of quadratic equation: 3x2 – 7x – 6 = 0?
- Find the value of n if both sum and product of roots of the quadratic equation mx² - 5x + n = 0 are equal to 10?
- Find the value of k so that the sum of the roots of the equation 2x² + kx + 6 = 0 is equal to four times the product of its roots?
- The sum of the roots of a quadratic equation is 2 and the sum of the cubes of the roots is 98. The equation is?
- Sum of roots of quadratic equation px² - qx + r = 0 is _____?
- If the sum and product of the roots of a quadratic equation are 55 and 66 respectively, which of the following represents the correct quadratic equation?
- If both sum and product of roots of the quadratic equation mx² – 5x + n = 0 are equal to 10. Then the values of m and n will be _____?
- If α, β are the roots of x² - 5x + k = 0, find k such that 3α + 2β = 16?
- If α, β are the roots of 9x² - 27 x + k = 0, find the value of k such that 2α + 5 β = 7?