CBSE Class 10-Mathematics: Chapter –4 Quadratic Equations Part 13
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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: