Answer: We can write 99 as 100 - 1 ∴ 99 = 100 - 1 The algebraic identitie (a - b)3 = a3 - b3 - 3ab (a - b) Using identity (x - y)3 = x3-... View Article
Answer: Given (2x - y + z)2 Using identity, (x + y + z)2 = x2 + y2 + z2 + 2xy + 2yz + 2zx Here, x = 2x y = −y z = z (2x - y + z)2 = (2x)2... View Article
Answer: Given (2x - y + z)2 Using identity, (x + y + z)2 = x2 + y2 + z2 + 2xy + 2yz + 2zx Here, x = 2x y = −y z = z (2x - y + z)2 = (2x)2... View Article
Answer: Forests are habitat to a variety of species, including herbivores, carnivores, microorganisms, and others. They contribute to the growth... View Article
Answer: The lightning conductor is a thick copper wire or a strip that is secured onto the tallest point of a building to a long copper earth... View Article
Answer: Forest is a dense land or a complex ecosystem consisting of rich biodiversity and supports a variety of life forms. The trees maintain... View Article
Answer: Because the speed of light is greater than the speed of sound, lightning arrives before thunder. As a result, even when both occur at... View Article
Answer: Rusting of iron refers to the formation of rust, a mixture of iron oxides, on the surface of iron objects or structures. Rusting iron is... View Article
Answer: Plastic is defined as a material that contains as an essential ingredient an organic substance of large molecular weight. It is... View Article
