Find the number of terms of the AP-4,-2,0,... ... 88
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Answer:
a=-4
an= 88
d = -2-(-4)= -2+4= 2
a+(n-1)× d = 88
-4+(n-1)× 2 = 88
2n -2 = 88+4
2n = 92+2
n = 94/2 = 47.
therefore there are 47 number of terms.
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