NCERT Class 9 Solutions: Polynomials (Chapter 2) Exercise 2.5 – Part 1 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Q-1 Use suitable identities to find the following products:

Solution:

Most Common Algebraic Identities

Using identify

Using identify

Using identify

Using identify

Using identify

Q-2 Evaluate the following products without multiplying directly:

Solution:

Q-3 Factories the following using appropriate identities:

Understanding the Geometric Proof of (A + B) Squared

Understanding the Geometric Proof of (A - B) Squared

Understanding the Geometric Proof of a Squared - B Squared

Solution:

(Applying )

(Applying )

(Applying )