NCERT Class 9 Solutions: Polynomials (Chapter 2) Exercise 2.5 – Part 2
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Q4 Expand each of the following using suitable identities:
Solution:

Using identify
Here

Using identify
Here

Using identify
Here

Using identify
Here

Using identify
Here

Using identify
Here
Q5 Factorize:
Solution:

Using identify

Using identify
Q6 Write the following cubes in expanded form:
Solution:

Using identify

Using identify

Using identify

Using identify
Q7 Evaluate the following using suitable identities:
Solution:

Using identity

Using identity

Using identity
Q8 Factorize each of the following:
Solution: