In this page we have NCERT book Solutions for Class 8th Maths:Algebraic Expressions and Identities for EXERCISE 2 . Hope you like them and do not forget to like , social share and comment at the end of the page.
Find the product of the following pairs of monomials.
(i) 4, 7p
(ii) – 4p, 7p
(iii) – 4p, 7pq
(iv) 4p3, – 3p
(v) 4p, 0
Find the areas of rectangles with the following pairs of monomials as their lengths and breadths respectively.
Answer: Now we know that
Area of rectangle = Length x breadth
So it is multiplication of monomials
(i) p x q = pq
(ii)10m x 5n = 50mn
(iii) 20x2 x 5y2 = 100x2y2
(iv) 4x x 3x2 = 12x3
(v)3mn x 4np = 12mn2p
Complete the following table of products:
Obtain the volume of rectangular boxes with the following length, breadth and height respectively.
Answer: We know that volume of rectangular box is given by
Volume = length x breadth x height
(i) 5a x 3a2 x 7a8 = 105a11
(ii) 2p x 4q x 8r = 64pqr
(iii) xy x 2x2y x 2xy2 = 4x4y4
(iv) a x 2b x 3c = 6abc
Obtain the product of