I need a true or false answer

a." b" c" a + b + c 6. If 1T man>00. 7. If an > 0 for all natural numbers n and the sequence (an) is decreasing, then there exists a real number L 2 0 such that an > L as n > oo. II? 00 ( 1):]. $311+? 3. For all s: 6 (1,1) we have that / dz: = +0. 1 + $3 :0 3n + 1 9. The easiest way to nd / x4: 2 d3: is to use the method of partial fractions. , 4 10. The exact value of [a tan2(:r)da: IS 4'\