Given x^4+1/x^4=527, x^2+1/x^2= 23, x+1/x=5 and x^3+1/x3=(5)(22). So, x^5+1/x^5= (527)(5) - (x^3+1/x^3) = (5)(525) = 2525. Again, E=x^5+1/x^5-1. So, E = 2524.
@АндрейПергаев-з4н3 күн бұрын
Неверно Если (х+1/х)^2=25, то х+1/х=5 или х+1/х=-5
@RashmiRay-c1y2 күн бұрын
@@АндрейПергаев-з4н But x is assumed to be positive. It should have been stated at the onset but unfortunately, was not.