How do we know which equation to be use in a particular question and if the values is applicable for two equation what do we do then ....
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Explanation:
first of all you need to see
the given i.e what values do u have
on the basis of that u need to choose the equation
there will always one value will be unknow rest will be given if not so find the other unknow value using different equation then put that value in your current equation you will find your answer
hope u got what u need
thank you
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