Question

t7 = -4 , t16 = -16, write an A.P.
plzzz understand the question and answer fast i will mark as brainlist i promise if answer is correct​

Answer 1

Hope it is helpful......

Answer 2

Answer:

Ap.

a = 4

a + d = 4 - 4/3 = 12 - 4/3 = 8/3

a + 2d = 4 - 2(-4/3) =4 - 8/3 = 12 - 8 / 3 = 4/3

Step-by-step explanation:

t10 = 52

a + 9d = 52

t7 = -4

a + 6d = -4.................(1)

t16 = -16

a + 15d = -16................(2)

sub eq (1) and (2)

a + 6d = -4 / a + 15d = -16

= -9d = 12

d = -12/9

d= -4/3

put value of d in eq..(1)

a + 6d = -4

a + 6×(-4/3) = -4

a + (-8) = -4

a = -4 + 8

a = 4

Ap.

a = 4

a + d = 4 - 4/3 = 12 - 4/3 = 8/3

a + 2d = 4 - 2(-4/3) =4 - 8/3 = 12 - 8 / 3 = 4/3

Thank ❤️

silentlover45.❤️