the 7th term of an a.p is -4 and its 13th term -16 find the a.p
Answers
Answered by
53
a+6d=-4
a+12d=-16
Subtracting:
-6d=12
d=-2
a+6*(-2)=-4
a=8
a=8, d=-2
a+12d=-16
Subtracting:
-6d=12
d=-2
a+6*(-2)=-4
a=8
a=8, d=-2
shaistha:
thanks
Answered by
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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