Question

(5/x+5x)(25/x2-25+25x2)using identity x=3

Answer 1

Answer:

solution.

see here this is in the for of

A^3+B^3

SO, we can write it as

= (5/x)^3+ (5x)^3

here we know the value of X= 3

putting this.

=> (5/3)^3+ (5*3)^3

=> 125/27+ 3375

= (125+ 91125)/27

= 91250/ 27 or 3379.6

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