Suppose there is a sequence a1, a2, a3, a4 ...

Such that the sum of the first n terms is \(\frac{5n^2+4}{\sqrt{3n+4}}\)

Find the sum a5+a6+a7

Ty!

See https://web2.0calc.com/questions/suppose-there-exists-a-sequence-such-that-the-sum#r2

Thanks!