The sum of two A. P's are in the ratio 13-7n:3n+1,prove that their first terms are 3:2and their second terms are as -4:5.​

Where’s the graph too show me?

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.