Math, asked by shaistha, 1 year ago

the 7th term of an a.p is -4 and its 13th term -16 find the a.p

Answers

Answered by gairikb93

53

a+6d=-4
a+12d=-16

Subtracting:
-6d=12
d=-2

a+6*(-2)=-4
a=8

a=8, d=-2

shaistha: thanks

Answered by aryanprasanth22

15

Answer:

Step-by-step explanation:

a+6d=-4

a+12d=-16

Subtracting:

-6d=12

d=-2

a+6*(-2)=-4

a=8

a=8, d=-2

Please mark it as brainliest

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