Math, asked by saniyanargish, 8 months ago

19. 4a? + b2 + 25c2 - 4ab - 10bc + 20ca

Answers

Answered by darshanpbi

0

Answer:

2

Step-by-step explanation:

4a^2+b^2+25c^2-4ab-10bc+20ca

(2a-b+5c)^2

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