If the common difference of AP is -6 find a16 -a12
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d= -6
a16 - a12 = a+ 15d - a+ 11d
a get cancel,
=15d- 11d
= 4d
=4(-6)
= -24
a16 - a12 = a+ 15d - a+ 11d
a get cancel,
=15d- 11d
= 4d
=4(-6)
= -24
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