Math, asked by shubhamsoni9133, 5 months ago

x^4+1/x^4=198 then value of x^2-1/x^2

Answers

Answered by sahilkhan53738

1

Answer :

x^2 -1/x^2 =49.5

step by step

Use identity (a-b)^2=a^2+b^2-2ab

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