if x= 1/1+√3 then find the value of 4x^2+4x+2
a)3 b) 5 c)6 d)4
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Answer:
d 4
Step-by-step explanation:
x=1/1+√3
by rationalize
x=(√3-1)/2
(4x^2+4x+1)+1
(2x-1)^2+1
put value of x
[2*(√3-1)/2-1]^2+1
2 will cancel
(√3-1+1)^2+1
(√3)^2+1=3+1=4
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