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jashaikamatuteowwp1p
02.11.2019 •
Mathematics
What is concept of randomization in research methodology
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Ответ:
Randomization is a sampling method which is mainly used in different scientific experiments.
This method is important as it reduces the bias responses.
Methods of Randomization includes :-
SimpleUnequalBlockStratisfiedHOPE IT HELPS YOU MATE !
Ответ:
-6![x^{12}](/tpl/images/2472/0128/004e3.png)
Step-by-step explanation:
Open the brackets
-x is the same as -1x
(2
x -
)(3
)
The bases will be multiplied while the powers will be multipled-2
x 3![x^{8}](/tpl/images/2472/0128/16809.png)
In the law of indices(multiplication), provided the bases are equal,they are to be added.-6![x^{4} +x^{8}](/tpl/images/2472/0128/25874.png)
= -6![x^{12}](/tpl/images/2472/0128/004e3.png)