Harry – a vivd reader of askalwayslovely.blogspot.com sent me an email asking about solving of the following question. He did it using trial and error. I believe it will take him some time. He felt that his approach was not the best so he emailed me asking for alternatives.
In fact for this question, there is a step by step way which will get us the answer in less than 8 minutes time.
Question: If the coefficient of 
and 
in the expansion of 
are equal, find 
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