Question

if the sum of two numbers a and b is 7 and their product is 12, find a^2 -ab +b^2​

Answer 1

Step-by-step explanation:

given

a+b =7

then find,a^2-ab-b^2

we know (a+b) ^2 = a^2-ab-b^2

(a+b) ^2= (7)^2

a^2-ab-b^2=49

Answer 2

Answer:

13

Step-by-step explanation:

Hey Mate ! Please refer to the attachment below !

Hope it's clear

Happy to help