If x is equel to 1 minus root 2 find the value of (x minus 1 by x)2
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x=1-√2
putting the value
(x-1/x)
=(1-√2-1/1-√2)2
=(-√2/1-√2)2
={-√2(1+√2)/(1-√2)(1+√2)}2
={-√2-2/1-2}2
={-1(√2+2)/-1}2
=√2(1+√2)2
=2√2+4
putting the value
(x-1/x)
=(1-√2-1/1-√2)2
=(-√2/1-√2)2
={-√2(1+√2)/(1-√2)(1+√2)}2
={-√2-2/1-2}2
={-1(√2+2)/-1}2
=√2(1+√2)2
=2√2+4
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