Question

1) If ab=12 and a+b=7 , find a and b
full process

Answer 1

Step-by-step explanation:

ab=12

a+b = 7

=> b=7-a put in equation

=>a(7-a) =12

=>7a - a² = 12

=> a² - 7a +12 = 0

=>a=4,3

=> if a = 4 => b = 3

=> if a =3 => b =4

Answer 2

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1) If ab=12 and a+b=7 , find a and b

full process

$\huge\boxed{\mathfrak{\underline{\underline{\red{\star <strong><em><u>Answer</u></em></strong>}}}}}$

a(7-a) =12

a? -

7a a2 12 7a +12 0

a=4,3

if a = 4 => b = 3

$<marquee scrollamount="20"> if a =3 => b=4 </marquee>$