What is t18 of the arithmetic sequence -3,2,7
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Answer:
t₁₈= 32
Step-by-step explanation:
AP Series: -3,2,7,.....,n
a= -3
d= a₂- a₁
=2-(-3)
=2+3
=5
∴ a₁₈= a₁+(n-1)(d)
= (-3) + (18-1)(5)
= -3+ (17)(5)
= -3 + 35
=32
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