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find first term and common difference class 10th
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a. first term = 4 common difference = 6
b. first term = -5 common difference = 4
Answer:
1. a = 4
d = a2 - a1
d = 10-4
d = 6
2. a = -5
d = a2 - a1
d = -1 - (-5)
d = -1 + 5
d = 4