If x=1/(√3-√2), prove that x^3+1/x^3 +2(x^2+1/x^2 )-9(x+1/x)=20
If x=1/(√3-√2), prove that x^3+1/x^3 +2(x^2+1/x^2 )-9(x+1/x)=20
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If x=1/(√3-√2), prove that x^3+1/x^3 +2(x^2+1/x^2 )-9(x+1/x)=20
Find the value of x^3-6x^2+18x-22, where x=2-2^(1/3)+2^(2/3)
A and B have certain number of mangoes. A says to B “If you give me 30 of your mangoes, I will have twice as many as left with you.” B replies “If you...
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A says to B, “I am five times old as you were, when I was as old as your are.” The sum of their ages is 64 years. Find their ages.
Ten years ago, the sum of the ages of two sons was one third of their father’s age. One son is two years older than the other and sum of their present ages is...
The age of a father is equal to the sum of the ages of his 5 children. After 15 years, the age of the children will be twice the age of father. Find the...
If x=3+3^2/3 +3^1/3, find the value of x^3-9x^2+18x-12
If x=1+root2 +root3, prove that x^4-4x^3-4x^2+16x-8=0
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