If x^2+1/x^2=7 find the value of x+1/x, x>0.
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X²+1/X²=7
=>X²+1=7X²
=>6X²=1
=>X²=1/6
=>X=1/36
X+1/X
1/36+1 / 1/36
=37/1
=37
=>X²+1=7X²
=>6X²=1
=>X²=1/6
=>X=1/36
X+1/X
1/36+1 / 1/36
=37/1
=37
Marina2171:
Can u explain the 3rd last step please
Ya ya look
?????
1/36+1 / 1/36??????
X=1/36 na then. 1/36+1 / 1/36= 1+36/36 / 1/36 = 37/36 / 1/36.
Then cut 36 36 then it remains 36/1. Which means 36
Ohhh kk thank u
Is d answ mathchd
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