If x=1/√7, then find the value of x^2-x/2√7+1.
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Hey friend here is your required answer: x= 1/7 (given) Now put the value of x in the question: =x^2-x/2(7)^1/2+1
=(1(7)^1/2)^2-1(7)^1/2(2(7)^1/2)+1
=1/7-1/14+1=2-1+14 /14=15/14
=(1(7)^1/2)^2-1(7)^1/2(2(7)^1/2)+1
=1/7-1/14+1=2-1+14 /14=15/14
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