CBSE Class 10-Mathematics: Chapter – 4 Quadratic Equations Part 13 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 22:

Find the value of k so that is a factor of

Answer:

Let

Question 23:

The product of two consecutive positive integers is . Represent these in quadratic equation.

(a)

(b)

(c)

(d)

Answer:

(a)

Question 24:

Which is a quadratic equation?

(a)

(b)

(c)

(d)

Answer:

(a)

Question 25:

The sum of two numbers is 16. The sum of their reciprocals is . Find the numbers.

Answer:

Let no. be

According to question,

Question 26:

Solve for

Answer:

Question 27:

Solve for by factorization:

Answer:

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