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Splitting the middle term to factorise a quadratic was learnt in which class?
AClass VI
BClass XII
CClass V
DClass IX
Answer & Solution
Correct answer: D. Class IX
1. The method splits bx into two parts.
2. It was taught before Class X.
3. That was Class IX.
_Source: NCERT Class 10 Mathematics, Chapter 4, Quadratic Equations._
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