Tips and Tricks on Alligation
Alligation:It is the rule that enables us to find the ratio in which two or more ingredients at the given price must be mixed to…
Alligation:It is the rule that enables us to find the ratio in which two or more ingredients at the given price must be mixed to…
(a + b)(a – b) = (a2 – b2) (a + b)2 = (a2 + b2 + 2ab) (a – b)2 = (a2 + b2 – 2ab) (a + b + c)2 = a2 + b2 + c2 + 2(ab + bc + ca) (a3 + b3) = (a + b)(a2 – ab + b2) (a3 – b3) = (a – b)(a2 + ab + b2) (a3 + b3 + c3 – 3abc) = (a + b + c)(a2 + b2 + c2 – ab – bc – ac) When a + b + c =…
IMPORTANT FACTS Cost Price: The price, at which an article is purchased, is called its cost price, abbreviated as C.P. Selling Price: The price, at which an…
Factors and Multiples:If number a divided another number b exactly, we say that a is a factor of b.In this case, b is called a multiple of a. Highest Common Factor (H.C.F.) or Greatest Common Measure (G.C.M.) or Greatest…
Square Root If x2 = y, we say that the square root of y is x and we write √y = (+/-)x Thus, √4 = 2, -2 √9 = 3, -3 √196 = 14, -14 Cube Root: The…
Partnership:When two or more than two persons run a business jointly, they are called partners and the deal is known as partnership. Ratio of Divisions of Gains: When…
आवेश – आवेश परमाणु का एक मूल्य कण होता हैं l यह धनात्मक भी हो सकता हैं और ऋणात्मक भी l समान आवेश एक-दूसरे को…
How do Organisms Reproduce • Reproduction is the process by which living organisms produce new individuals similar to themselves. It ensures continuity of life on…
कक्षा 10 बोर्ड परीक्षा के लिए रासायनिक अभिक्रियाएँ एवं समीकरण पर नोट्स और वीडियो व्याख्यान (पढ़ते चलो बढ़ते चलो – eckovation )। आईआईटी दिल्ली से…
महत्वपूर्ण प्रश्नावली 1. यदि समतल दर्पण का आवर्धन…