determine an A.P.. whose 3rd is 16 and the difference of 5th term from the 7th term is 12
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4
a3=16
a+2d=16___(1)
a7-a5=12
a+6d-a-4d=12
2d=12
d=6
putting the value in the equation 1
a+2×6=16
a=4
AP=4, 10, 16......
a+2d=16___(1)
a7-a5=12
a+6d-a-4d=12
2d=12
d=6
putting the value in the equation 1
a+2×6=16
a=4
AP=4, 10, 16......
ZiaAzhar89:
u welcome
Answered by
1
the A.P is 4,10,16,22.....
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you did it wrong actually it is said the difference of A5 from A7
ohh srry srry its vice versa
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