CBSE Class 10-Mathematics: Chapter –4 Quadratic Equations Part 14
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Question 28:
Find the ratio of the sum and product of the roots of
Answer:
Question 29:
If and are the roots of the equation , such that , then
Answer:
3 Mark Questions
Question 1:
Check whether the following are Quadratic Equations.
(i)
(ii)
(iii)
(iv)
(v)
(vi)
(vii)
(viii)
Answer:
(i)
Here, degree of equation is .
Therefore, it is a Quadratic Equation.
(ii)
Here, degree of equation is .
Therefore, it is a Quadratic Equation.
(iii)
Here, degree of equation is .
Therefore, it is not a Quadratic Equation.
(iv)
Here, degree of equation is .
Therefore, it is a quadratic equation.
(v)
Here, degree of Equation is .
Therefore, it is a Quadratic Equation.
(vi)
Here, degree of equation is .
Therefore, it is not a Quadratic Equation.
(vii)
Here, degree of Equation is .
Therefore, it is not a quadratic Equation.
(iii)
Here, degree of Equation is .
Therefore, it is a Quadratic Equation.