find the number of terms in 18, 7.5,13,,,,,,, -47
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This is not A.P., mate... There is no common difference...
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an=a+(n-1)d
a=18
d= 7.5-18=-10.5
an=-47
-47=18+(n-1)(-10.5)
-65=(n-1)(-10.5)
n-1=6.19
n=7.19=number of terms
PLEASE SELECT MY ANSWERS AS BRAINLIEST
a=18
d= 7.5-18=-10.5
an=-47
-47=18+(n-1)(-10.5)
-65=(n-1)(-10.5)
n-1=6.19
n=7.19=number of terms
PLEASE SELECT MY ANSWERS AS BRAINLIEST
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