the 10th term of an 78, 75, 72, _ is
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Given,
a=78
d=72-78=-6
n=10 as we to find the 10th term
So,we know that an=a+(n-1)d
a10=78+(10-1)(-6)
a10=78+9(-6)
a10=78+(-54)
a10=24
So, the 10th term of the given AP is 24
Given,
a=78
d=72-78=-6
n=10 as we to find the 10th term
So,we know that an=a+(n-1)d
a10=78+(10-1)(-6)
a10=78+9(-6)
a10=78+(-54)
a10=24
So, the 10th term of the given AP is 24
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