Explicación paso a paso:
lo suyo
solo reemplaza y ya esta
1..... 3² - 2(3)(4) + 4²
9 - 24 + 16
= 1
2..... (1/3)² + 2(1/3)(1/2) + (1/2)²
1/9 + 1/3 + 1/4
= (4 + 12 + 9)/ 36
= 25/36
3.... 3/(1/3) + 4/(1/2)
9 + 8
= 17
4..... (1/3)/(1/2) - 6/(1/4) + 2
2/3 - 24 + 2
2/3 - 22
= (2 - 66)/ 3
=.......
