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 9If x=√(3+2√2) , find the value of: x+1/x and x^2+1/x^2DateJune 30, 2017In relation toSolved Questions Class 9
