CBSE Class 10-Mathematics: Chapter –4 Quadratic Equations Part 19

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Question 8:

If is 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: