# CBSE Class 10-Mathematics: Chapter – 4 Quadratic Equations Part 19 (For CBSE, ICSE, IAS, NET, NRA 2022)

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**Question 8**:

If **i**s a root of the quadratic equation and the quadratic equation has equal root, find the value of .

**Answer**:

is root of

**Question 9**:

Solve for

**Answer**:

Put

But

**Question 10**:

solve for by factorization method.

**Answer**:

**Question 11**:

olve for

**Answer**: