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1. Number System
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Q106 of 131 Page 1

Convert and into surds of the same but smallest order.

Since = 31/4 and = 21/6, it follows that the given surds are of order 4 and 6 respectively. The L.C.M. of 4 and 6 is 12.So, we shall convert each one of the given surds into a surd of order 12. = 31/4 = 3(1/4) (3/3) = 3(3/12) = ( 33)1/12 = (27)1/12 = = 21/6 = 2(1/6) (2/2) = 2(2/12) = (22)1/12 = (4)1/12 =

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104 Find the rationalising factor of 105 Find the rationalising factor of 107 If = 2.236 and = 3.162, evaluate 108 If = a - b, find the values of a and b.
Questions · 131
1. Number System
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