Question

6( x-3) 2x+1) )^ 4 -5 sqrt x-3 2x+1 +1=0​

Answer 1

Answer:

Let 4

√

x

=a and 4

√

x+1

=b.

Thus, a≥0, b≥1, b4−a4=1 and

a+b=4

√

a4+b4

or

(a+b)4=a4+b4

or

2ab(2a2+3ab+2b2)=0,

which gives

ab=0.

Can you end it now.