Which term of A.p 7,3,-1,..... is -89?
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amarnath1990yadav:
Please in brainless
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6
here....
a=7
d=-4.
now
tn= -89
tn=a+(n-1)d
-89=7+(n-1)-4
-89-7=(n-1)-4
-96=(n-1)-4
-96/-4=n-1
24. =n-1
24+1=n
25 =n
hey mate....... 25th term of ap is -89.....
hope it helps you.....
a=7
d=-4.
now
tn= -89
tn=a+(n-1)d
-89=7+(n-1)-4
-89-7=(n-1)-4
-96=(n-1)-4
-96/-4=n-1
24. =n-1
24+1=n
25 =n
hey mate....... 25th term of ap is -89.....
hope it helps you.....
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