Question

If a = 3, b = 0, c = 2 and d = 1, find the value of :
(і) За + 2b - 6c + 4d
(ii) 6a - 3b - 4c - 2d
(iii) ab - bc -cd - da
(iv) abc - bcd + cda
(v) a² + 2b²- 3c²
(vi) a² + b² - c² +d²
(vii) 2a² - 3b² + 4c² - 5d²

with process and with explanation ​

Answer 1

Step-by-step explanation:

⤵️

1) 3(3) + 2(0) - 6(2)+4(1)

=9+2-12+4

=-1+4

=3

2) 6(3) -3(0)-4(2)-2(1)

=18-3-8-2

=3

hope this helps you mate ✨