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:
Or
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,
Or