if the common difference of an AP is 3,find the value of a17-a12
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Answered by
7
a17-a12=A+16D -(A+11D)
so that gives a17-a12=5D
given that D is equal to 3 so..
a17-a12=5(3)=15 ..
so the answer is 15
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so that gives a17-a12=5D
given that D is equal to 3 so..
a17-a12=5(3)=15 ..
so the answer is 15
mark it as brainliest
Answered by
10
a17 = a + 16d
a12 = a + 11d
a17 - a12
a + 48 - {a + 33}
a + 48 - a - 33
a-a +48 - 33
= 15
a12 = a + 11d
a17 - a12
a + 48 - {a + 33}
a + 48 - a - 33
a-a +48 - 33
= 15
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