Permutation and Combination Formula Important Questions Class 11 Maths Chapter 7 Permutations Combinations From the above discussion, students would have gained certain important aspects related to this topic. To gain further understanding of the topic, it would be advisable that students should work on...
The combination is the selection of all or part of items in a group in such a way that order of selection doesn't matter. Learn its definition, formula and relation with permutation at BYJU'S.
You don't "use combinations" for that formula. The number of combinations is the answer. For instance we could calculate the number of possible triangles by (intersection count C 3 )- alignments. So you are saying we can’t do that in this case?
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A voltage V0sinomegat is applied across a series combination of resistance R and inductor L. The peak value of the current in the circuit is
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squares, it is not counted as one of the colors. In order to make it easy to understand, I have prepared some charts for you to refer to while I explain how to use them. Please read through the instruction, understand it, and you will be able to apply your number to the technique....
To calculate the equivalent weight of the metal, we can follow these steps:Step 1: Understand the Reaction We know that a metal reacts with oxygen to form a metal oxide. The general reaction can be represented as: \( \text{Meta
Formula used: The effective focal length f of a combination of two lenses having focal length \[{{f}_{1}}\] and \[{{f}_{2}}\] respectively is given by : \[\dfrac{1}{f}=\dfrac{1}{{{f}_{1}}}+\dfrac{1}{{{f}_{2}}}\] ...
let us assume three letters a, b and c. from this set, how many ways that the two letters can be selected. for this, each possible selection is a solution of a combination. here, the complete list of possible combinations is ab, bc, and ac. the formula to calculate the combination ...