So i started calculus and am currently stuck at the following problem. Q.Evaluate by algebraic techniques: The answer provided by the book is: Thanks.
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The answer is correct.. factorise both terms of the fraction EX: x^n-a^n=(x-a)(x^(n-1)+ax^(n-2)+...+a^(n-1).... do the same for the denominator ..simplify and then the limit when x goes to a is the one you mentioned ....
Originally Posted by hacker804 So i started calculus and am currently stuck at the following problem. Q.Evaluate by algebraic techniques: The answer provided by the book is: Reply #2 is correct in approach, but there is a slight error in the OP. The correct answer should be
Yes it's a mistake in the book.Thanks for the help.
Originally Posted by hacker804 So i started calculus and am currently stuck at the following problem. Q.Evaluate by algebraic techniques: The answer provided by the book is: Thanks. Since the limit is of the indeterminate form , L'Hospital's Rule can be used.
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