Question

is x=3 satisfy the equation x-3 =0​

Answer 1

Step-by-step explanation:

Fx)=x

3

−3∣x∣+2=x

3

−3x+2 for x>0

f

′

(x)=3x

2

−3=0 ,x=+1,−1

so at x=1,f(x)=0 and none other value as graph will be touching x-axis and turning back upwards .hence only only one positive real root of f(x)

Answered By vynu

Answer 2

ANSWER

f(x)=x

3

−3∣x∣+2=x

3

−3x+2 for x>0

f

′

(x)=3x

2

−3=0 ,x=+1,−1

so at x=1,f(x)=0 and none other value as graph will be touching x-axis and turning back upwards .hence only only one positive real root of f(x)

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