Question

If 2x = 3 +√7
find value of :-
4x^2 + 1/x^2​

Answer 1

Step-by-step explanation:

p(x)=2x

3

−3x

2

+4x−2

Put x=−1

So, p(−1)=2(−1)

3

−3(−1)

2

+4(−1)−2

or, p(−1)=−2−3−4−2=−11