Question

PLS ANSWER THIS QUESTION I'm facing very much difficulty in these 2 Ques​

Answer 1

Answer:

please mark it as BRAINLIEST

Answer 2

Answer:

Here's ur answer:-

1.a+b=7

ab=12.

this tells that a=3 b=4

so a^2 -ab+b^2

:- 3^2 -(3x4)+4^2

= 9 -12+16

=19

Hope it helps uh!