Question

Que 12 plz solve step by step

Answer 1

Answer:

It is tough .

Sorry i cant solve it .

Answer 2

Answer:

X=√7+2√6

1/12*(X+5/X)^2

1/12*x^2+25/x^2

1/12*( √7+2√6)^2+25/(√7+2√6)^2

Step-by-step explanation:

then put the identity (a+b)^2 and u can get the answer