whta is the common difference of an AP which a20-a6 = 70
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Answer:
d=5
Step-by-step explanation:
a20-a6 = 70
a+(20-1)d-[a+(6-1)d]=70
a+19d-(a+5d)=70
a+19d-a-5d=70
14d=70
d=70/14
d=5
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