Question

If a=2, b=3,c=0,d=4 then find a 2 - b 2 +c 2 +d 2 .

Answer 1

Step-by-step explanation:

a^2-b^2+c^2+d^2

=2^2-3^2+0^2+4^2

=4-9+0+16

=16+4-9

=20-9

=11