Question

If a = 1/7-4√3 and b=1/7+4√3, then find the value of a²+b²

Answer 1

Answer:

96(2/49)

Step-by-step explanation:

ab=(1/7-4√3)(1/7+4√3)

=(1/7)^2-(4√3)^2

=1/49-48

a+b=2/7

(a^2+b^2)=(a+b)^2-2ab

=4/49-2/49+96

=2/49+96

=96(2/49)