I am unsure where X^n came from in the last step in the snap taken of the answer sheet.
S Sonal7 Full Member Joined Oct 4, 2019 Messages 485 Apr 18, 2020 #1 I am unsure where X^n came from in the last step in the snap taken of the answer sheet.
D Deleted member 4993 Guest Apr 18, 2020 #2 Sonal7 said: I am unsure where X^n came from in the last step in the snap taken of the answer sheet. View attachment 17998View attachment 17999 Click to expand... x^(n-2) *(1-x^2)(1 - x^2)^(1/2) = x^(n-2) *(1-x^2)] *[(1 - x^2)^(1/2)] = x^(n-2) *(1) *[(1 - x^2)^(1/2)] - x^(n-2) * (x^2) *[(1 - x^2)^(1/2)] and continue....
Sonal7 said: I am unsure where X^n came from in the last step in the snap taken of the answer sheet. View attachment 17998View attachment 17999 Click to expand... x^(n-2) *(1-x^2)(1 - x^2)^(1/2) = x^(n-2) *(1-x^2)] *[(1 - x^2)^(1/2)] = x^(n-2) *(1) *[(1 - x^2)^(1/2)] - x^(n-2) * (x^2) *[(1 - x^2)^(1/2)] and continue....
S Sonal7 Full Member Joined Oct 4, 2019 Messages 485 Apr 18, 2020 #3 x(n-2)*(1-x2)(1 - x2)(1/2) = x(n-2)*(1-x2)] *[(1 - x2)(1/2)] = x(n-2) *(1) *[(1 - x2)(1/2)] - x(n-2) * (x2) *(1 - x2)(1/2)
x(n-2)*(1-x2)(1 - x2)(1/2) = x(n-2)*(1-x2)] *[(1 - x2)(1/2)] = x(n-2) *(1) *[(1 - x2)(1/2)] - x(n-2) * (x2) *(1 - x2)(1/2)
