English, asked by japnajohar01, 5 months ago

by how much is -9a2-3b2+2c2-4abc increased to get 5a2-4b2_-c2 +5abc

Answers

Answered by 312557

1

Answer:

hope it helped

Explanation:

If a+b+c=1, a2+b2+c2=2 , a3+b3+c3=3 then find the value of a4+b4+c4=? we know. 2(ab+bc+ca)=(a+b+c)2−(a2+b2+c2).

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