NCERT Class 9 Mathematics Solutions: Chapter 9 – Algebraic Expressions and Identities Exercise 9.2 Part 1
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Find the GCF of Monomials
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Question 1: Find the product of the following pairs of monomials:
(i)
(ii)
(iii)
(iv)
(v)
Answer:
As per exponent "product rule" when multiplying two powers that have the same base add the exponents.
(i)
(ii)
(iii)
(iv)
(v)
Question 2: Find the areas of rectangles with the following pairs of monomials as their length and breadths respectively:
Answer:
As per exponent "product rule" when multiplying two powers that have the same base add the exponents.
(i)
Area of rectangle =
(ii)
Area of rectangle
(iii)
Area of rectangle
(iv)
Area of rectangle
(v)
Area of rectangle