Question

hii

please give answer

rapidly

Answer 1

17.ans -:(4x+3y+2z)^2

18 ans -: (x-2y-3z)^2

19ans-: (-2a+b-5c)^2

20ans-: (a+1/2b+1/3c)^2

Answer 2

Hello dear I am tanwi and your answer is in up in photo

hope it helps you