Question

30th term of A.p 10,7,4 .......is

a)97
b)77
c)-77​

Answer 1

Answer:

term30=10+(30-1)×-3

term30=10+ (29×-3)

term30=10+(-87)

term30=-77

Option c is correct

I hope u will understand

Answer 2

Answer:

30th term = - 77

Step-by-step explanation:

a = 10

d = 7 - 10 = -3

n = 30

An = a + ( n - 1) d

a30 = 10 + (30 - 1) -3

a30 = 10 + (29) -3

a30 = 10 + - 87

a30 = -77

Option C is your answer.