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Q. What is Combination Formula?
Ans.
The difference between combinations and permutations is that permutations take ordering into consideration, whereas combinations do not.
A combination is a set of distinct objects without regard to an arrangement or an order.
Combination Formula
or, in factorial notation,
1+2cos(2x=0
If α,β are the zeros of the polynomial 2x 2 - 4x + 5 find the value of a) α 2 + β 2 b) (α - β) 2 . Ans : p (x) = 2 x 2 - 4 x + 5 (Ans: a) -1 , b) -6) α + β =
define algorithm of pert and pert with suitable examples
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0.36585858 find the sum if it is converges
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