If x=1/(√3-√2), prove that x^3+1/x^3 +2(x^2+1/x^2 )-9(x+1/x)=20 cbseassistance 9 years ago If x=1/(√3-√2), prove that x^3+1/x^3 +2(x^2+1/x^2 )-9(x+1/x)=20 Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook If x=1+root2 +root3, prove that x^4-4x^3-4x^2+16x-8=0DateJune 21, 2017In relation toSolved Questions Class 9If a^x=b,b^y=c and c^z=a, then, prove that xyz=1, where a,b,c are real numbers and x,y,z are rational numbers.DateJune 30, 2017In relation toSolved Questions Class 9Class 10 Mid Term Mathematics Practice Paper 6DateAugust 21, 2026In relation toClass 10 Mathematics Mid Term Practice Papers