If value of x+1/x=7 then find the value of (x²+1/x²)
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x+1/x =7
x2 is notthing but the square of x
x2+1/x2+2=(x+1/x)2
x2+1/x2=(x+1/x)2-2
x2+1/x2 = 7-2
x2 +1/x2 =5
x2 is notthing but the square of x
x2+1/x2+2=(x+1/x)2
x2+1/x2=(x+1/x)2-2
x2+1/x2 = 7-2
x2 +1/x2 =5
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