Math, asked by Siddharthbhutoria, 7 months ago

If x=√5 prove that x^2 + (1÷x^2)=18

Answers

Answered by preetijain45345

3

Step-by-step explanation:

x²+(1/x²)=18

5+1/5=18

(25+1)/5=18

26/5=18

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