Grade 10Algebra
If x=(5)^1/3+2,then value of x^3-6x^2+12x-10 is (a) 1 (b) -2. (c) -1 (d) 3
If x=(5)^1/3+2,then value of x^3-6x^2+12x-10 is (a) 1 (b) -2. (c) -1 (d) 3
2 Answers
Aditya Gupta
Approved Tutor Answer7 Years agowe see that x-2=(5)^1/3
cubing both sides and rearranging we get
x^3-6x^2+12x=13
so x^3-6x^2+12x-10= 3
option d 3 is correct
vibha
sol. in question given
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