This tip on calculus was contributed by one of our top tutors, Shashwat.
What you will learn from this tip:
The trick to differentiate an infinite series.
Consider the following question:
A function y is defined as
Find at x = 0.
The trick we use is that we multiply and divide the right hand side by (x-1). Thus,
Now we can use the division rule that we know for differentiation.
Thus, we get the answer as
Easy, right? Stay tuned for the next edition of Study Tips by HashLearn!
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