Find a formula for the geeneral term an of the sequence. 1/1,4/2,7/6,10/24,13/120. Evaluate lim an

(-8,5) bu tun not sure ok

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.