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If 2a+3b-5c=0, then ratio in which c divides AB is |
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Answer» `3 : 2` internally `rArr""(2a+3b)/5=c` `rArr""(2a+3b)/(2+3)=c` `rArr""(a+3/2b)/(1+3/2)=c"...(1)"` Let c divides AB in the ratio `lamda:1` `"Then,"c=(a+lamdab)/(1+lamda)"…(ii)"` On comparing (i) and (ii), we GET `lamda=3/2` `:.""` REQUIRED ratio is 3 : 2 internally.
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