if ten times tenth term of an arithmeticsequence is equal to fifteenth times the fifteenth term,find 25th term
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In physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity.
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10(a10)=15(a15)
10(a+9d)=15(a+14d)
10a+90d=15a+210d
5a+120d=0
a+24d=0
25th term =0
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