NCERT Solutions, Class 9 Maths Chapter 2 Polynomials: Exercise 2.5, answered for the NCERT Class 9 textbook.
Exercise 2.5 Class 9 Maths Chapter 2 Polynomials
1. Use suitable identities to find the following products:
2. Evaluate the following products without multiplying directly:
3. Factorise the following using appropriate identities:
4. Expand each of the following, using suitable identities:
5. Factorise:
6. Write the following cubes in expanded form:
7. Evaluate the following using suitable identities:
8. Factorise each of the following:
9. Verify:
10. Factorise each of the following:
11. Factorise:
12. Verify that….
13. If x + y + z = 0, show that…
14. Without actually calculating the cubes, find the value of each of the following:
15. Give possible expressions for the length and breadth of each of the following
rectangles, in which their areas are given:
16. What are the possible expressions for the dimensions of the cuboids whose volumes are given below?
