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In the above solution you have given r3=ar2+br1/a+b. Why you have not written it as r3=ar1+b+r2/a+b?

Asked by Balbir 10th April 2017, 10:08 PM
Answered by Expert
Answer:
It is based on a formula in mathematics called the Internal-section formula.
 
According to this when a point divides a segment internally in the ratio a:b then the coordinates of that point are given by crossed numbers.
 
Here, we do not have coordinates by direct dimensions. So, a will be multiplied by r2 and b by r1.
 
Hope this cleared your doubt. If not, then please let us know.
Answered by Expert 11th April 2017, 10:26 AM
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