Q.7 suppose 3"+3 a 5-5 1 (1+na) and b for n 2,3,4, then which one of the following is true? (a) both 22g and na b are convergent. (b)both 2n24 and n2 bn are div

Q.7 Suppose 3"+3 a 5-5 1 (1+na) and b for n 2,3,4, Then which one of the following is true? (A) Both 22G and na b are convergent. (B)Both 2n24 and n2 bn are divergent (C) is convergent and b, is divergent. (D)22 ay is divergent and 2na2 by is convergent.