Please tell me

Asked by siddharthjaiswal1122 | 22nd Aug, 2018, 09:45: AM

Expert Answer:

Let point P divides A and B in the ratio k : 1
Hence,
begin mathsize 16px style open parentheses negative 4 comma 1 close parentheses equals open parentheses fraction numerator 2 minus 14 straight k over denominator 1 plus straight k end fraction comma fraction numerator negative 2 plus 6 straight k over denominator straight k plus 1 end fraction close parentheses
fraction numerator negative 2 plus 6 straight k over denominator straight k plus 1 end fraction equals 1
minus 2 plus 6 straight k equals straight k plus 1
5 straight k equals 3
straight k equals 3 over 5
Also comma
fraction numerator 2 minus 14 straight k over denominator 1 plus straight k end fraction equals negative 4
2 minus 14 straight k equals negative 4 minus 4 straight k
6 equals 10 straight k
straight k equals 3 over 5
Hence comma space the space ratio space in space which space straight P space divides space straight a space and space straight B space is space 3 colon 5. end style

Answered by Sneha shidid | 23rd Aug, 2018, 11:15: AM