The 6th term of an AP is -10 and its 10th term is -26 find D.
Answers
Answered by
2
Heya!
a6=-10=a+5d
a10=-26=a+9d
Subtracting the two equations:
-36=4d
d=-9
Answered by
1
Answer:
a+5d=-10
a+9d=-26
By elimination method,
-4d=16
d= -4
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