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If x=3+ root 8,find the value of {x square+1/x square.
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If x=3+ root 8,find the value of {x square+1/x square. Related: Short...
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If x=3+ root 8,find the value of {x square+1/x square. Related: Short...
To find the value of x² + 1/x², where x = √8, we need to substitute the value of x into the expression and simplify it.
1. Substituting the value of x:
x = √8
x² = (√8)²
= 8
2. Calculating 1/x²:
1/x² = 1/(8)²
= 1/64
3. Simplifying x² + 1/x²:
x² + 1/x² = 8 + 1/64
= 8 + 1/64
= 8 + 1/64
= 8 + 0.015625
= 8.015625
Therefore, the value of x² + 1/x² when x = √8 is 8.015625.
1. Substituting the value of x:
x = √8
x² = (√8)²
= 8
2. Calculating 1/x²:
1/x² = 1/(8)²
= 1/64
3. Simplifying x² + 1/x²:
x² + 1/x² = 8 + 1/64
= 8 + 1/64
= 8 + 1/64
= 8 + 0.015625
= 8.015625
Therefore, the value of x² + 1/x² when x = √8 is 8.015625.
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If x=3+ root 8,find the value of {x square+1/x square. Related: Short Notes - Polynomials, Mathematics, Class 9
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