Question

the value of a^2 -b^2 if a=53 and b =47 is
1) 300
2) 600
3) 500
4) 350​

Answer 1

Answer:

600

Step-by-step explanation:

53^2 = 2809

47^2 = 2209

SO, 2809 - 2209 = 600

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Answer 2

Step-by-step explanation:

$\huge {\underline {\mathcal \color {gold} {Answer }}}$

Given:

if $\bold{a=53}$

then.$\bold{b=47}$

find:

$\huge{\pink{a^2-b^2}}$

solution:

we know that...

$\boxed{\underline {\purple { a^2-b^2=(a+b)(a-b)}}}$

so...

$\bold{\red{(53+47)(53-47) }}$

${\blue{100×6}}$

${\huge{\fcolorbox{aqua}{navy}{\fcolorbox{yellow}{blue}{\bf{\color{yellow}{600}}}}}}$

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