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Question
Question 1 (i)
Which of the following form an AP? Justify your answer.
–1, –1, –1, –1, ……
Which of the following form an AP? Justify your answer.
–1, –1, –1, –1, ……
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Solution
Here, t1=−1,t2=−1,t3=−1 and t4=−1
t2−t1=−1+1=0
t3−t2=−1+1=0
t4−t3=−1+1=0
Clearly, the difference between successive terms is same.
Therefore, given list of numbers form an AP.
t2−t1=−1+1=0
t3−t2=−1+1=0
t4−t3=−1+1=0
Clearly, the difference between successive terms is same.
Therefore, given list of numbers form an AP.
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