Question

if (√7-1) upon (√7+1) -(√7+1) upon (√7-1)=a+b√7 find a and b where a and b are rational​

Answer 1

So, on comparing LHS with RHS

we get

a = 0 and b = -2/3

Answer 2

therefore a is root 7 and b is 5

i hope it is useful

plz mark it as brainlist