Q. 165.0( 3 Votes )

If , find all possible values of a.

Answer :

Given,






Note: To solve the problems of limit similar to one in our question we use the formula mentioned below which can be derived using binomial theorem.


Formula to be used:


Using the formula we have –


3a3–1 = 4(1)4–1


3a2 = 4


a2 = 4/3


a = ± (2/√3)


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