Question

find products (3a-12)(3a-12)​

Answer 1

Correct option is A 9a 2 −3a+ 4 1 ​ (3a− 2 1 ​ )(3a− 2 1 ​ ) Using , (ab) 2 =a 2 +2ab+b 2 , we get the above equation. =(3a) 2 −2×3a× 2 1 ​ +( 2 1 ​ ) 2 =9a 2 −3a+ 4 1 ​

Answer 2

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(3a-12)(3a-12)

$\Large\orange{\textbf {\textsf {Answer:}}}$

$formula \: used \: is \: \\ \\ (a - b) {}^{2} = a {}^{2} + b {}^{2} - 2ab$

$(3a - 12) {}^{2} \\ \\ = (3a) {}^{2} + (12) {}^{2} - 2(3a \times 12) \\ \\ = 9a {}^{2} + 144 - 72a$

hope it's helpful⭐✨⭐✨

$\huge\sf\underline\red{answered\:by\:KIMU}$