Question

(i) (ab +5c)^2 -(ab-5c)^2
(ii) (3m+ 4n)^2+(4m+3n)^2
(iii) (a^2 -b^2a)^2+2a^3b^2
Please solve This Question in notebook.......
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Answer 1

Answer:

[ab+5c]2-[ab'5c]2

ab+5c ab-5c

ab+5c 1- ab-5c

a b= 10

Answer 2

Step-by-step explanation:

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