if (x+1/x)2=3 , shows that (x3+1/x3) 0
Answers
Answer:
Proved.
Step-by-step explanation:
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Answer:
Our required relation is obtained and it is
Step-by-step explanation:
The given algebraic relation of second degree is
Squaring and expanding the terms on left side,we get
Now for obtaining our desired output relation,we cube the relation on both sides.The cubing of equation is done based on the identity as shown below.
Hence,cubing the equation 1 on both sides,we get
Substituting the value of equation (1) in the above relation,we get
Now we shall rearrange a equation in such a way that we can write the entire term as a square of a single term.This can be done in thr following way as shown-
The above relation is of the form as shown below-
Hence we can rewrite the above term as
Hence,the required relation is obtained.
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