Music, asked by shindevimal175, 3 months ago

AB
अंतराच्या सूत्राचा वापर करुन, सिद्ध करा की P(2,1), Q(8.-3) आणि
R(-1.3) हे बिदू एकरेषीय आहेत.​

Answers

Answered by shailendraupre183
2

answer:

अंतराचे सूत्र=

(x2 - x1 )2 + (y 2- y 1 )2

PQ=(8-2)2+(-3+1)2

=(6)2+(-2)2

=(12-4)

=8

QR=(x2 -x1 ) 2+ (y2 -y1 )2

=(-1+8) 2+ [3+(-3)]2

=(7)2 + (0)2

=14+0

=14

=7

PR=(x 2-x1) +( y2-y1)2

=(-1-2)2 + (3-1)2

=(-3)2 + (4)2

=9+8

=17

=PQ+QRPR

=8+717

Explanation:

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