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Find the areas of rectangles with the following pairs of monomials as their lengths and breadths...

613 views · Published 27 September 2017 · 5:20 · Indexed 21 September 2026

Channel: Doubtnut · 2017 · Education

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Question From – Ncert Maths Class 8 Chapter 9 Exercise 9.2 Question - 2 Algebraic Expressions And Identities Cbse Rbse Up Mp Bihar Board

==== QUESTION TEXT ====

Find the areas of rectangles with the following pairs of monomials as their lengths and breadths respectively (p, q); (10m, 5n); (20x2, 5y2); (4x, 3x2); (3mn, 4np)

Related Questions & Solutions:
 
1. Complete the table of products...
https://youtu.be/Lu_e28_aReM

2. Obtain the volume of rectangular boxes with the following length, breadth and height respectively. (i) `5a, 3a^2, 7a^4` (ii) `2p, 4q, 8r` (iii) `xy, 2x^2y, 2xy^2` (iv) `a, 2b, 3c`
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3. Obtain the product of (i) `xy, yz, zx` (ii) `a,-a^2, a^3` (iii) `2, 4y, 8y^2, 16y^3` (iv) `a, 2b, 3c,6abc` (v) `m,-mn, mnp`
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4. Carry out the multiplication of the expressions in each of the following pairs. (i) `4p,q+r` (ii) `ab,a-b` (iii) `a+b, 7a^2 b^2` (iv) `a^2-9, 4a` (v) `pq+qr+rp,0`
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5. Complete the table...
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