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Exploring Algebraic Identities Class 9

CBSE

Algebraic identities seen as areas, and their use in expanding, factorising and simplifying.

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Topic-wise short notes with solved examples.Open PDFDownload
Every formula and result of the chapter on one sheet.Open PDFDownload
Daily practice problems with an answer key.Open PDFDownload

What this chapter covers

  • Identity and equation
  • Squares of a sum and a difference
  • Square of a sum of three terms
  • Difference of two squares
  • Factorising with the square identities
  • Products and factors of the form x² + (a + b)x + ab
  • Cubes of a sum and a difference
  • Sum and difference of two cubes
  • The identity for three cubes
  • Simplifying rational expressions

The short notes explain each of these topics with solved examples, the formula bank lists every result on one sheet, and the DPP sheet gives practice questions with an answer key.

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