NCERT Class 9 Solutions: Polynomials (Chapter 2) Exercise 2.5 – Part 3
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Q9 Verify:
Solution:

R.H.S
L.H.S

R.H.S
L.H.S
Q10 Factorize each of the following:
Solution:

Using identify

Using identify
Q11 Factorize:
Solution:
Using
Q12 Verify that:
Solution:
Q13 If , show that
Solution:
Also it is given
Q14 Without actually calculating the cubes fined the value of each of the following:
Solution:

Using identify, if

Using identify, if
Q15 Give possible expressions for the length and breadth of each of the following rectangles, in which their areas are given:
Solution:
Since
Let us factorize the following equations into two terms
Q16 What are the possible expressions for the dimensions of the cuboids whose volumes are given below?
Solution:
Since
Let us factorize the following equations into two terms