In an AP , if the first term is 8 and the common difference is 4, then The ninth term of AP is equal to _______ A) 4 (B) 20 (C) 40 (D) 64
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Step-by-step explanation:
given,
a1= 8
d= 4
n= 9
Tn= a+(n-1)d
= 8+(9-1)4
= 8+8×4
= 8+32
= 40
#666
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