Question

which term of progression
20, 19 1/4 , 18 1/2 , 17 3/4
is first negative term?​

Answer 1

Step-by-step explanation:

convert into fractions that is 80/4,77/4,74/4and 71/4

then first term is 80/4 and common difference is -3/4

A.T.Q eq

0> a + (n-1)d

put value

0> 80/4 +(n-1)(-3/4)

slove it

83/3> n

simply the friction then it come 28th term

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