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A point moving in a straight line with u...

A point moving in a straight line with uniform acceleration describes aand b feet in successive intervals of `t_(1)` and `t_(2)` seconds. Then the acceleration is `(2(bt_(1)-at_(2)))/(t_(1)t_(2)(t_(1)+t_(2))`
Also if the point describes equal distances in successive times `t_(1), t_(2), t_(3)` then
`(1)/(t_(1))-(1)/(t_(2))+(1)/(t_(3))= (3)/(t_(1)+t_(2)+t_(3))`

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