If x=1by 2root7, then find the value of x square-x by 2 root7 +1 - Maths - Polynomials

Question

If x=1by 2root7, then find the value of x square-x by 2 root7
+1

Varun.Rawat · Accepted Answer

We have,x = 127⇒x2 = 1272 = 128Now,x27 = 127 × 127 = 128Now,x2 - x27 + 1 = 128 - 128 + 1 = 1