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Example 6 - Factorise 49p^2 - 36 - Chapter 14 Class 9 NCERT Book

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Example 6 Factorise 49𝑝^2 – 36 49𝑝^2 – 36 = γ€–(7𝑝)γ€—^2 βˆ’6^2 Using π‘Ž^2βˆ’π‘^2 = (π‘Ž+𝑏) (π‘Žβˆ’π‘) Here π‘Ž=7𝑝, 𝑏=6 = (πŸ•π’‘+πŸ”) (πŸ•π’‘ βˆ’πŸ”)

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