Math, asked by nakulmanwatkar, 1 day ago

do na ans plz plz plz

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Answered by laughlinalex679

0

Answer:

49m^2+70mn+25n^2

Step-by-step explanation:

Use binomial theorem (a+b)^2

=a^2+2ab+b^2

to expand (7m+5n)^2.

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