x + 1/x = 17/4 find the value of x2-1/x2
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Answered by
0
Answer:
the anwer
Step-by-step explanation:
3) - 22x + 9x
= - 13x
4) 15r - 7 - 16
= 15r - 23
5) n - 10 + 9n - 3
= 10n - 13
6) 12r + 3 + 5r - 5
= 17r - 2
7) 3 + 7x - 5 + 2x²
= 2x² + 7x - 2
8) 5x + 4x² + 10 + 2x² + 2x - 6 + x - 1
= 6x² + 8x + 3
Answered by
3
Answer:
x=4 ,. 1/4
x^2-1/x^2
16 - 1/16
256-1/16
255/16. ...ans...
similarly....substitute the value x= 1/4..to get the required ans
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