CBSE Class 10-Mathematics: Chapter –4 Quadratic Equations Part 20

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Question 12:

Solve for

Answer:

Question 13:

Using quadratic formula, solve for

Answer:

Question 14:

In a cricket match, Kapil took one wicket less than twice the number of wickets taken by Ravi. If the product of the numbers of wickets taken by these two is , find the number of wickets taken by each.

Answer:

Let no. of wicket taken by Ravi

No. of wicket taken by Kapil

According to question,

So, no. of wickets taken by Ravi is

Question 15:

The sum of a number and its reciprocal is . Find the number.

Answer:

Let no. be

According to question,