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In algebra we come across certain products very frequently. For e.g., (a + b) 2 , (a + b) 3 (a + b + c) 2 etc. These are nothing but products of binomials or trinomials. We derive the formulae for these products and apply them whenever necessary. These expansions help us to avoid elab..

In an electrochemical cell, electrons flow from negative electrode to the positive electrode. This shows that there is a potential difference between the two electrodes. The minimum potential which causes the flow of the electrons from the negative electrode to the positive electrode is called em..

The graphs of the given pair of functions intersect. Calculate their points of intersection algebraically. y = x 2 - 8 y = 6 x 2 - 45 x - 8 => (0, - 8) and (9, 73) or (5, 17) and (9, 73) or (9, 73) Only or (0, 9) and (- 8, 73)..

The graphs of the given pair of functions intersect. Calculate their points of intersection algebraically. y = 5 x 2 - 7 y = - x 2 + 11 x + 14 => ( -7 6 , -7 36 ) and (3, 38) or ( -7 6 , -7 36 ) and (- 3, 38) or ( -7 6 , -7 36 ) and (3, - 38) or ( 7 6 , -7 36 ) and (3, 38)..

When calculating sides or angles of right angled triangles, it is easiest to use the appropriate trigonometric relation. Finding the value of trigonometric ratios from the tables is learnt easily. Nowadays of course calculators are able to give accurate values for any degree of ..

Introduction - When calculating sides or angles of right angled triangles, it is easiest to use the appropriate trigonometric relation. Finding the value of trigonometric ratios from the tables is learnt easily. Nowadays of course calculators are able to give accurate values for..

When calculating sides or angles of right angled triangles , it is easiest to use the appropriate trigonometric relation. Finding the value of trigonometric ratios from the tables is learnt easily. Nowadays of course calculators are able to give accurate values for ..

If a body is in equilibrium under the action of a number of forces, then the algebraic sum of the moments of the forces about any point is equal to zero. In other words, the sum of the clockwise moments equals sum of the anticlockwise moments when the body is in equilibrium. ..