In an A.P. if a =2 and t5=12,find t2,t3,t4.
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Answer:
9/2 , 7 , 19/2
Step-by-step explanation:
a = 2
t5 = 12 ⇒ a + 4d = 12
4d = 12 - a
4d = 12-2
d = 10 /4
= 2.5
t2 = a + d t3 = a + 2d t4 = a + 3d
= 2 + 2.5 = 2 + 5 = 2 + 3 (2.5)
= 4.5 (or) 9/2 = 7 = 9.5 (or ) 19/2
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