Question

If sum of two numbers a and b is 7.
Their product is 12.
Find a^2-ab+b^2


I will mark you as the brainliest
Pls hep

Answer 1

53

Step-by-step explanation:

(a+b) ²= (7) ²=49

a²+2ab+b²=49

a²+2(12)+b²=49

so, a²+b²= 49-24=65 ----equation 1

now, a²-ab+b²=?

a²+b²-ab= 65-12 = 53

Answer 2

Answer:

13

Step-by-step explanation:

Refer this image that i have attached below

HOPE ITS CLEAR !