absolute proofs. – C.P. STEINMETZ v
Chapter 2: 4 P 2 = 4 C 2 ××××× 2! or ( · MATHEMATICS · EN medium
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. Introduction In earlier classes, we have learnt how to find the squares and cubes of binomials like a + b and a – b . Using them, we could evaluate the numerical values of numbers like ( ) = ( – ) , ( ) = ( – ) , etc. However, for higher powers like ( ) , ( ) , etc., the calculations become difficult by using repeated multiplication. This difficulty was overcome by a theorem known as binomial theorem. It gives an easier way to expand ( a + b ) n , where n is an integer or a rational number. In this Chapter, we study binomial theorem for positive integral indices only.
📖 ncert books for class 11 maths cbsc · Page 170
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. Introduction In earlier classes, we have learnt how to find the squares and cubes of binomials like a + b and a – b . Using them, we could evaluate the numerical values of numbers like ( ) = ( – ) , ( ) = ( – ) , etc. However, for higher powers like ( ) , ( ) , etc., the calculations become difficult by using repeated multiplication.
This difficulty was overcome by a theorem known as binomial theorem. It gives an easier way to expand ( a + b ) n , where n is an integer or a rational number. In this Chapter, we study binomial theorem for positive integral indices only.
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