CBSE Class 10-Mathematics: Chapter – 4 Quadratic Equations Part 14 (For CBSE, ICSE, IAS, NET, NRA 2022)

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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.