Question

*-1
10. Solve for x : - -
x-1
+
= 4,X+0,x+1.
x
​

Answer 1

4^(x+1)+4^(1-x)=10 4^ x.4+4/4^x=10 4^x+1/4^x=10/4=5/2 , let 4^x=p p+1/p=5/2 ... 2p(p-2)-1(p-2)=0 ... How can I solve (x²-1)²=(x+1 ...