f(x)=0
f(x)=X cube -2x-5
X equals to zero, f of Sirohi is less than 0
X equals to 1, f of 1 equals to minus 6 less than zero
X equals to 2, f of two equals to minus 1 less than zero
X equals to 3, you have to equals to plus 6 greater than zero
therefore roots lies between (2,3)
let it’s not equals to 2
f of X equals to x cube minus 2 x-5
f dash of X equals to 3 x square – 2 put a not equals to X when then X1 equals to it’s not minus f of X not by if dash of X not X1 equals to 2 – f of two divided by if dash of 2 X1 = 2 – 1 extra equals to 2.0 94, X3 equals to 2.094 therefore X equals to 2.094
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