Question

Tolong dikerjakan dengan cara yang lengkap

Answer 1

Diket: p=(-5,-2) q=(-2,-4)
A.|p+q|=akar-7^2+(-6^2)
=akar49+36
=akar85
B.|p+2q|=akar-9^2+(-10^2)
=akar81+100
=akar181
C.|3p-2q|=3(-5,-2)-2(-2,-4)
=(-15,-6)-(-4-8)
=akar11^2+2^2
=akar121+4
=akar125
=akar25x5
=5akar5