Question

please answer this question ​

Answer 1

use section formula

x1 = m1x2+m2x1/m1+m2

y1= m1y2+m2y1/m1+m2

putting values we get,

(-1) = 3x+8/7

3x = -15

x = -5

&

2 = 3y+20/7

3y = -6

y = -2

now,

x²+y² = 25+4 = 29